1. G. Grätzer and E. T. Schmidt, On a problem of M. H. Stone, Acta Math. Acad. Sci. Hungar. 8 (1957), 455-460.
2. G. Grätzer and E. T. Schmidt, On the Jordan-Dedekind chain condition, Acta Sci. Math. (Szeged) 18 (1957), 52-56.
3. G. Grätzer and E. T. Schmidt, Über die Anordnung von Ringen (German), Acta Math. Acad. Sci. Hungar. 8 (1957), 259-260.
4. G. Grätzer and E. T. Schmidt, Ideals and congruence relations in lattices. I. (Hungarian), Magyar Tud. Akad. Mat. Fiz. Oszt. Közl. 7 (1957), 93-109.
5. G. Grätzer and E. T. Schmidt, Ideals and congruence relations in lattices. II. (Hungarian), Magyar Tud. Akad. Mat. Fiz. Oszt. Közl. 7 (1957), 417-434.
6. G. Grätzer and E. T. Schmidt, On the lattice of all join-endomorphisms of a lattice, Proc. Amer. Math. Soc. 9 (1958), 722-726.
7. G. Grätzer and E. T. Schmidt, Characterizations of relatively complemented distributive lattices, Publ. Math. Debrecen 5 (1958), 257-287.
8. G. Grätzer and E. T. Schmidt, Two notes on lattice-congruences, Ann. Univ. Sci. Budapest. Eötvös Sect. Math. 1 (1958), 83-87.
9. G. Grätzer and E. T. Schmidt, On ideal theory for lattices, Acta Sci. Math. (Szeged) 19 (1958), 82-92.
10. G. Grätzer and E. T. Schmidt, Ideals and congruence relations in lattices, Acta Math. Acad. Sci. Hungar. 9 (1958), 137-175.
11. G. Grätzer and E. T. Schmidt, On the generalized Boolean algebra generated by a distributive lattice, Indag. Math. 20 (1958), 547-553.
12. G. Grätzer and E. T. Schmidt, An associativity theorem for alternative rings, Magyar Tud. Akad. Mat. Kutató Int. Közl. 4 (1959), 259-264.
13. G. Grätzer, Standard ideals (Hungarian), Magyar Tud. Akad. Mat. Fiz. Oszt. Közl. 9 (1959), 81-97.
14. G. Grätzer and E. T. Schmidt, On a theorem of Gábor Szász (Hungarian), Magyar Tud. Akad. Mat. Fiz. Oszt. Közl. 9 (1959), 255-258
15. G. Grätzer and E. T. Schmidt, Über einfache Körpererweiterungen (German), Magyar Tud. Akad. Mat. Kutató Int. Közl. 5 (1960), 283-285.
16. G. Grätzer and E. T. Schmidt, On inaccessible and minimal congruence relations. I. Acta Sci. Math. (Szeged) 21 (1960), 337-342.
17. G. Grätzer and E. T. Schmidt, A note on a special type of fully invariant subgroups of Abelian groups, Ann. Univ. Sci. Budapest Eötvös Sect. Math. 3-4 (1960/1961), 85-87.
18. G. Grätzer and E. T. Schmidt, On a problem of L. Fuchs concerning universal subgroups and universal homomorphic images of abelian groups, Indag. Math. 23 (1961), 253-255.
19. G. Grätzer and E. T. Schmidt, Standard ideals in lattices, Acta Math. Acad. Sci. Hungar. 12 (1961), 17-86.
20. G. Grätzer and E. T. Schmidt, On congruence lattices of lattices, Acta Math. Acad. Sci. Hungar. 13 (1962), 179-185.
21. G. Grätzer and M. Wonenburger, Some examples of complemented modular lattices, Canad. Math. Bull 5 (1962), 111-121.
22. G. Grätzer, A characterization of neutral elements in lattices (Notes on lattice theory. I.), Magyar Tud. Akad. Mat. Kutató Int. Közl. 7 (1962), 191-192.
23. G. Grätzer, On Boolean functions (Notes on lattice theory. II.), Rev. Math. Pures Appl. (Bucarest) 7 (1962), 693-697.
24. G. Grätzer, A representation theorem for multi-algebras, Arch. Math. 13 (1962), 452- 456.
25. G. Grätzer and E. T. Schmidt, Characterizations of congruence lattices of abstract algebras, Acta Sci. Math. (Szeged) 24 (1963), 34-59.
26. G. Grätzer, A theorem on doubly transitive permutation groups with application to universal algebras, Fund. Math 53 (1963), 25-41.
27. G. Grätzer, On the Jordan-Hölder theorem for universal algebras, Magyar Tud. Akad. Mat. Kutató Int. Közl. 8 (1963), 397-406.
28. G. Grätzer, A generalization of Stone's representation theorem for Boolean algebras, Duke Math. J. 30 (1963), 469-474.
29. G. Grätzer, Free algebras over first order axiom systems, Magyar Tud. Akad. Mat. Kutató Int. Közl 8 (1963), 193-199.
30. G. Grätzer, On semi-discrete lattices whose congruence relations form a Boolean algebra, Acta Math. Acad. Sci. Hungar. 14 (1963), 441-445.
31. G. Grätzer, Boolean functions on distributive lattices, Acta Math. Acad. Sci. Hungar. 15 (1964), 195-201.
32. G. Grätzer, On the class of subdirect powers of a finite algebra, Acta Sci. Math. (Szeged) 25 (1964), 160-168.
33. G. Grätzer, On the family of certain subalgebras of a universal algebra, Indag. Math. 27 (1965), 790-802.
34. O. Frink and G. Grätzer, The closed subalgebras of a topological algebra, Arch. Math. (Basel) 17 (1966), 154-158.
35. G. Grätzer, Equational classes of lattices, Duke Math. J. 33 (1966), 613-622.
36. G. Grätzer, On a new notion of independence in universal algebras, Colloq. Math. 17 (1967), 225-234.
37. G. Grätzer, On the endomorphism semigroup of simple algebras, Math. Ann. 170 (1967), 334-338.
38. G. Grätzer, On coverings of universal algebras, Arch. Math. (Basel) 18 (1967), 113-117.
39. M. I. Gould and G. Grätzer, Boolean extensions and normal subdirect powers of finite universal algebras, Math. Z. 99 (1967), 16-25.
40. G. Grätzer, On the spectra of classes of algebras, Proc. Amer. Math. Soc. 18 (1967), 729-735.
41. G. Grätzer and G. H. Wenzel, On the concept of congruence relation in partial algebras, Math. Scand. 20 (1967), 275-280.
42. K.-H. Diener and G. Grätzer, A note on absolutely free algebras, Proc. Amer. Math. Soc. 18 (1967), 551-553.
43. G. Grätzer and W. A. Lampe, On subalgebra lattices of universal algebras, J. Algebra 7 (1967), 263-270.
44. G. Grätzer, On polynomial algebras and free algebras, Canad. J. Math. 20 (1968), 575- 581.
45. G. Grätzer, On the existence of free structures over universal classes, Math. Nachr. 36 (1968), 135-140.
46. G. Grätzer, Free Σ-structures, Trans. Amer. Math. Soc. 135 (1969), 517-542.
47. C. C. Chen and G. Grätzer, Stone lattices. I. Construction theorems, Canad. J. Math. 21 (1969), 884-894.
48. C. C. Chen and G. Grätzer, Stone lattices. II. Structure theorems, Canad. J. Math. 21 (1969), 895-903.
49. C. C. Chen and G. Grätzer, On the construction of complemented lattices, J. Algebra 11 (1969), 56-63.
50. G. Grätzer, Stone algebras form an equational class. (Remarks on lattice theory. III), J. Austral. Math. Soc. 9 (1969), 308-309.
51. G. Grätzer and H. Lakser, Equationally compact semilattices, Colloq. Math. 20 (1969), 27-30.
52. G. Grätzer and H. Lakser, Chain conditions in the distributive free product of lattices, Trans. Amer. Math. Soc. 144 (1969), 301-312.
53. G. Grätzer, H. Lakser, and J. Plonka, Joins and direct products of equational classes, Canad. Math. Bull. 12 (1969), 741-744.
54. G. Grätzer, H. Lakser, and C. R. Platt, Free products of lattices, Fund. Math. 69 (1970), 233-240.
55. G. Grätzer, Two Mal'cev type theorems in universal algebra, J. Combinatorial Theory 8 (1970), 334-342.
56. G. Grätzer, J. Plonka, and A. Sekanina, On the number of polynomials of a universal algebra. I, Colloq. Math 22 (1970), 9-11.
57. G. Grätzer and J. Plonka, On the number of polynomials of a universal algebra. II, Colloq. Math. 22 (1970), 13-19.
58. G. Grätzer and B. Wolk, Finite projective distributive lattices, Canad. Math. Bull. 13 (1970), 139-140.
59. G. Grätzer and J. Plonka, A characterization of semilattices, Colloq. Math. 22 (1970), 21-24 (errata insert).
60. G. Grätzer and J. Plonka, On the number of polynomials of an idempotent algebra. I, Pacific J. Math. 32 (1970), 697-709.
61. G. Grätzer and J. Sichler, On the endomorphism semigroup (and category) of bounded lattices, Pacific J. Math. 35 (1970), 639-647.
62. G. Grätzer, Composition of functions, 1970 Proc. Conf. on Universal Algebra (Queen's Univ., Kingston, Ont., 1969), pp. 1-106, Queen's Univ., Kingston, Ont.
63. G. Grätzer, Universal Algebra, 1970 Trends in Lattice Theory (Sympos., U.S. Naval Academy, Annapolis, Md., 1966), pp. 173-210, Van Nostrand Reinhold, New York.
64. R. Balbes and G. Grätzer, Injective and projective Stone algebras, Duke Math. J. 38 (1971), 339-347.
65. G. Grätzer and R. Padmanabhan, On idempotent, commutative, and non-associative groupoids, Proc. Amer. Math. Soc. 28 (1971), 75-80.
66. G. Grätzer and H. Lakser, The structure of pseudocomplemented distributive lattices. II. Congruence extension and amalgamation, Trans. Amer. Math. Soc. 156 (1971), 343-358.
67. G. Grätzer, A reduced free product of lattices, Fund. Math. 73 (1971/72), 21-27.
68. G. Grätzer and H. Lakser, The structure of pseudocomplemented distributive lattices. III. Injectives and absolute subretracts, Trans. Amer. Math. Soc. 169 (1972), 475-487.
69. G. Grätzer, K. M. Koh, and M. Makkai, On the lattice of subalgebras of a Boolean algebra, Proc. Amer. Math. Soc. 36 (1972), 87-92.
70. G. Grätzer and H. Lakser, Two observations on the congruence extension property, Proc. Amer. Math. Soc. 35 (1972), 63-64.
71. G. Grätzer and H. Lakser, A note on the implicational class generated by a class of structures, Canad. Math. Bull. 16 (1973), 603-605.
72. G. Grätzer and J. Plonka, On the number of polynomials of an idempotent algebra. II, Pacific J. Math. 47 (1973), 99-113.
73. E. Fried and G. Grätzer, A nonassociative extension of the class of distributive lattices, Pacific J. Math. 49 (1973), 59-78.
74. G. Grätzer, B. Jónsson, and H. Lakser, The Amalgamation Property in equational classes of modular lattices, Pacific J. Math. 45 (1973), 507-524.
75. E. Fried and G. Grätzer, Some examples of weakly associative lattices, Colloq. Math 27 (1973), 215-221.
76. G. Grätzer, Free products and reduced free products of lattices, Proceedings of the University of Houston Lattice Theory Conference (Houston, Tex., 1973), pp. 539-563. Dept. Math., Univ. Houston, Houston, Tex., 1973.
77. G. Grätzer and J. Sichler, Agassiz sums of algebras, Colloq. Math. 30 (1974), 57-59.
78. G. Grätzer and J. Sichler, Free products of Hopfian lattices, Collection of articles dedicated to the memory of Hanna Neumann, VI. Austral. J. Math. 17 (1974), 234-245.
79. G. Grätzer and H. Lakser, Free-lattice like sublattices of free products of lattices, Proc. Amer. Math. Soc. 44 (1974), 43-45.
80. G. Grätzer, A property of transferable lattices, Proc. Amer. Math. Soc. 43 (1974), 269- 271.
81. G. Grätzer and J. Sichler, On generating free products of lattices, Proc. Amer. Math. Soc. 46 (1974), 9-14.
82. G. Grätzer and J. Sichler, Free decompositions of a lattice, Canad. J. Math. 27 (1975), 276-285.
83. H. Gaskill, G. Grätzer, and C. R. Platt, Sharply transferable lattices, Canad. J. Math. 27 (1975), 1246-1262.
84. E. Fried and G. Grätzer, Partial and free weakly associative lattices, Houston J. Math. 2 (1976), 501-512.
85. G. Grätzer and D. Kelly, When is the free product of lattices complete? Proc. Amer. Math. Soc. 66 (1977), 6-8.
86. G. Grätzer and D. Kelly, A normal form theorem for lattices completely generated by a subset, Proc. Amer. Math. Soc. 67 (1977), 215-218.
87. G. Grätzer and R. Padmanabhan, Symmetric difference in abelian groups, Pacific J. Math. 74 (1978), 339-347.
88. G. Grätzer and H. Lakser, A variety of lattices whose quasivarieties are varieties, Algebra Universalis 8 (1978), 135-136.
89. M. E. Adams and G. Grätzer, Free products of residually finite lattices are residually finite, Algebra Universalis 8 (1978), 262-263.
90. J. Berman and G. Grätzer, Uniform representations of congruence schemes, Pacific J. Math. 76 (1978), 301-311.
91. G. Grätzer and C. R. Platt, Two embedding theorems for lattices, Proc. Amer. Math. Soc. 69 (1978), 21-24.
92. E. Fried and G. Grätzer, On automorphisms of the subalgebra lattice induced by automorphisms of the algebra, Acta Sci. Math. (Szeged) 40 (1978), 49-52.
93. G. Grätzer and H. Lakser, The lattice of quasivarieties of lattices, Algebra Universalis 9 (1979), 102-115.
94. G. Grätzer, A. Hajnal, and D. Kelly, Chain conditions in free products of lattices with infinitary operations, Pacific J. Math. 83 (1979), 107-115.
95. G. Grätzer, C. R. Platt, and B. Sands, Embedding lattices into lattice of ideals, Pacific J. Math. 85 (1979), 65-75.
96. E. Fried, G. Grätzer, and R. W. Quackenbush, The equational class generated by weakly associative lattices with the unique bound property, Ann. Univ. Sci. Budapest. Eötvös Sect. Math. 22-23 (1979/80), 205-211.
97. G. Grätzer and C. R. Platt, A characterization of sharply transferable lattices, Canad. J. Math. 32 (1980), 145-154.
98. E. Fried, G. Grätzer and R. W. Quackenbush, Uniform congruence schemes, Algebra Universalis 10 (1980), 176-188.
99. G. V. Cormack and G. Grätzer, Using directed graphs for text compression, C. R. Math. Rep. Acad. Sci. Canada 2 (1980), 193-198.
100. G. Grätzer and A. P. Huhn, A note on finitely presented lattices, C. R. Math. Rep. Acad. Sci. Canada 2 (1980), 291-296.
101. E. Graczynska and G. Grätzer, On double systems of lattices, Demonstratio Math. 13 (1980), 743-747.
102. G. Grätzer, H. Lakser and R. W. Quackenbush, On the lattice of quasivarieties of distributive lattices with pseudocomplementation, Acta Sci. Math. (Szeged) 42 (1980), 257-263.
103. G. Grätzer, General Lattice Theory: 1979 Problem Update, Algebra Universalis 11 (1980), 396-402.
104. G. Grätzer and D. Kelly, A survey of products of lattice varieties, Colloquia Mathematica Societatis János Bolyai. 33. Contributions to Lattice Theory. Szeged (Hungary), 1980, 457-472.
105. G. Grätzer and D. Kelly, On a special type of subdirectly irreducible lattice with an application to products of varieties, C. R. Math. Rep. Acad. Sci. Canada 2 (1980/81), 43-48.
106. G. Grätzer, A. P. Huhn, and H. Lakser, On the structure of finitely presented lattices, Canad. J. Math. 33 (1981), 404-411.
107. G. Grätzer, H. Lakser, and R. W. Quackenbush, The structure of tensor products of semilattices with zero, Trans. Amer. Math. Soc. 267 (1981), 503-515.
108. G. Grätzer and A. P. Huhn, Amalgamated free product of lattices. I. The common refinement property, Acta Sci. Math. (Szeged) 44 (1982), 53-66.
109. G. Grätzer and A. P. Huhn, Amalgamated free product of lattices. II. Generating sets, Studia Sci. Math. Hungar. 16 (1981), 141-148.
110. G. Grätzer and D. Kelly, The construction of some free m-lattices on posets, Orders: description and roles (L'Arbresle, 1982), pp.103-117, North-Holland Math. Stud., 99, North-Holland, Amsterdam-New York, 1984.
111. G. Grätzer and D. Kelly, Free m-products of lattices. I, Colloq. Math. 48 (1984), 181- 192.
112 G. Grätzer and A. P. Huhn, Amalgamated free product of lattices. III. Free generating sets, Acta Sci. Math. (Szeged) 47 (1984), 265-275.
113. G. Grätzer and S. Whitney, Infinitary varieties of structures closed under the formation of complex structures, Colloq. Math. 48 (1984), 1-5.
114. G. Grätzer and D. Kelly, The free m-lattice on the poset H, Order 1 (1984), 47-65.
115. E. Fried and G. Grätzer, Classes of congruence lattices in filtral varieties, Studia Sci. Math. Hungar. 19 (1984), 259-264.
116. G. Grätzer, Universal algebra and lattice theory: A story and three research problems, Universal algebra and its links with logic, algebra, combinatorics and computer science (Darmstadt, 1983), 1--13, R & E Res. Exp. Math., 4, Heldermann, Berlin, 1984.
117. G. Grätzer and D. Kelly, A technique to generate m-ary free lattices from finitary ones, Canad. J. Math. 37 (1985), 324-336.
118. G. Grätzer and D. Kelly, Products of lattice varieties, Algebra Universalis 21 (1985), 33-45.
119. G. Grätzer and D. Kelly, Free m-products of lattices. II, Colloq. Math. 50 (1986), 155-166.
120. J. Berman, G. Grätzer, and C. R. Platt, Extending algebras to model congruence schemes, Canad. J. Math. 38 (1986), 257-276.
121. G. Grätzer and H. Lakser, Homomorphisms of distributive lattices as restrictions of congruences, Canad. J. Math. 38 (1986), 1122-1134.
122. G. Grätzer and E. W. Kiss, A construction of semimodular lattices, Order 2 (1986), 351- 365.
123. G. Grätzer, Birkhoff's Representation Theorem is equivalent to the Axiom of Choice, Algebra Universalis 23 (1986), 58-60.
124. G. Grätzer, The Amalgamation Property in lattice theory, C. R. Math. Rep. Acad. Sci. Canad 9 (1987), 273-289.
125. G. Grätzer and D. Kelly, The lattice variety D o D, Acta Sci. Math. (Szeged) 51 (1987), 73-80. Addendum, 52 (1988), 465.
126. G. Grätzer and D. Kelly, Subdirectly irreducible members of products of lattice varieties, Proc. Amer. Math Soc. 102 (1988), 483-489.
127. G. Grätzer and H. Lakser, Identities for globals (complex algebras) of algebras, Colloq. Math. 56 (1988), 19-29.
128. E. Fried and G. Grätzer, Pasting and modular lattices, Proc. Amer. Math. Soc. 106 (1989), 885-890.
129. E. Fried and G. Grätzer, Pasting infinite lattices, J. Austral. Math. Soc. Ser. A 47 (1989), 1-21.
130. G. Grätzer and G. H. Wenzel, Tolerances, covering systems, and the Axiom of Choice, Arch. Math. (Brno) 25 (1989), 27-34.
131. G. Grätzer and H. Lakser, Congruence lattices, automorphism groups of finite lattices and planarity, C. R. Math. Rep. Acad. Sci. Canada 11 (1989), 137-142. Addendum, 11 (1989), 261.
132. G. Grätzer, On the complete congruence lattice of a complete lattice with an application to universal algebra, C. R. Math. Rep. Acad. Sci. Canada 11 (1989), 105--108.
133. G. Grätzer, A "lattice theoretic" proof of the independence of the automorphism group, the congruence lattice, and subalgebra lattice of an infinitary algebra, Algebra Universalis 27 (1990), 466-473.
134. E. Fried and G. Grätzer, Generalized congruences and products of lattice varieties, Acta Sci. Math. (Szeged) 54 (1990), 21-36.
135. E. Fried and G. Grätzer, Notes on tolerance relations of lattices: A conjecture of R. N. McKenzie, J. Pure Appl. Algebra 68 (1990), 127-134.
136. G. Grätzer, On the congruence lattice of a lattice, The Dilworth Theorems, 460-464, Contemp. Mathematicians, Birkhäuser, Boston, MA, 1990.
137. E. Fried and G. Grätzer, Strong amalgamation of distributive lattices, J. Algebra 128 (1990), 446-455.
138. G. Grätzer and G. Wenzel, Notes on tolerance relations of lattices, Acta Sci. Math. (Szeged) 54 (1990), 229-240.
139. E. Fried, G. Grätzer, and H. Lakser, Projective geometries as cover preserving sublattices, Algebra Universalis 27 (1990), 270-278.
140. G. Grätzer, The complete congruence lattice of a complete lattice, Lattices, semigroups, and universal algebra. Proceedings of the International Conference held at the University of Lisbon, Lisbon, June 20-24, 1988. Edited by Jorge Almeida, Gabriela Bordalo and Philip Dwinger, pp. 81-87. Plenum Press, New York, 1990.
141. E. Fried and G. Grätzer, The Unique Amalgamation Property for lattices, Ann. Univ. Sci. Budapest. Eötvös Sect. Math. 33 (1990), 167-176. (Correction: 35 (1992), 271.)
142. G. Grätzer and H. Lakser, On complete congruence lattices of complete lattices, Trans. Amer. Math. Soc. 327 (1991), 385-405.
143. R. Freese, G. Grätzer, and E. T. Schmidt, On complete congruence lattices of complete modular lattices, Internat. J. Algebra Comput. 1 (1991), 147-160.
144. G. Grätzer, H. Lakser, and B. Wolk, On the lattice of complete congruences of a complete lattice: On a result of K. Reuter and R. Wille, Acta Sci. Math. (Szeged) 55 (1991), 3-8.
145. G. Grätzer and H. Lakser, On congruence lattices of m-complete lattices, J. Austral. Math. Soc. Ser. A 52 (1992), 57-87.
146. G. Grätzer and A. Kisielewicz, A survey of some open problems on pn-sequences and free spectra of algebras and varieties, Universal algebra and quasigroup theory (Jadwisin, 1989), 57-88, Res. Exp. Math., 19, Heldermann, Berlin, 1992.
147. G. Grätzer and H. Lakser, Congruence lattices of planar lattices, Acta Math. Hungar. 60 (1992), 251-268.
148. G. Grätzer, A. Kisielewicz, and B. Wolk, An equational basis in four variables for the three-element tournament, Colloq. Math. 63 (1992), 41-44.
149. E. Fried and G. Grätzer, Unique Envelope Property, Studia Sci. Math. Hungar. 27 (1992), 183-187.
150. E. Fried, G. Grätzer, and E. T. Schmidt, Multipasting of lattices, Algebra Universalis 30 (1993), 241-261.
151. G. Grätzer and E. T. Schmidt, On the congruence lattice of a Scott-domain, Algebra Universalis 30 (1993), 297-299.
152. G. Grätzer and E. T. Schmidt, "Complete-simple" distributive lattices, Proc. Amer. Math. Soc. 119 (1993), 63-69.
153. G. Grätzer and E. T. Schmidt, Another construction of complete-simple distributive lattices, Acta Sci. Math. (Szeged) 58 (1993), 115-126.
154. G. Grätzer and H. Lakser, Homomorphisms of distributive lattices as restrictions of congruences. II. Planarity and automorphisms, Canad. J. Math. 46 (1994), 3-54.
155. G. Grätzer, P. M. Johnson, and E. T. Schmidt, A representation of m-algebraic lattices, Algebra Universalis 32 (1994), 1-12.
156. G. Grätzer and E. T. Schmidt, Congruence lattices of function lattices, Order 11 (1994), 211-220.
157. G. Grätzer and E. T. Schmidt, Algebraic lattices as congruence lattices: The m-complete case, Lattice theory and its applications (Darmstadt, 1991), 91-101, Res. Exp. Math., 23, Heldermann, Lemgo, 1995.
158. G. Grätzer and E. T. Schmidt, A lattice construction and congruence-preserving extensions, Acta Math. Hungar. 66 (1995), 275-288. (Diagram not available.)
159. G. Grätzer and E. T. Schmidt, Complete congruence lattices of complete distributive lattices, J. Algebra 171 (1995), 204-229. (Diagrams not available.)
160. G. Grätzer and E. T. Schmidt, Do we need complete-simple distributive lattices? Algebra Universalis 33 (1995), 140-141.
161. G. Grätzer and E. T. Schmidt, The Strong Independence Theorem for automorphism groups and congruence lattices of finite lattices, Beiträge Algebra Geom. 36 (1995), 97-108. (Diagrams not available.)
162. G. Grätzer, H. Lakser, and E. T. Schmidt, Congruence lattices of small planar lattices, Proc. Amer. Math. Soc. 123 (1995), 2619-2623.
163. G. Grätzer, I. Rival, and N. Zaguia, Small representations of finite distributive lattices as congruence lattices, Proc. Amer. Math. Soc. 123 (1995), 1959-1961. Correction (Dec. 1995).
164. G. Grätzer and E. T. Schmidt, Congruence lattices of p-algebras, Algebra Universalis 33 (1995), 470-477. (Diagrams not available.)
165. G. Grätzer, H. Lakser, and E. T. Schmidt, On a result of Birkhoff, Period. Math. Hungar. 30 (1995), 183-188.
166. G. Grätzer and E. T. Schmidt, On isotone functions with the Substitution Property in distributive lattices, Order 12 (1995), 221-231.
167. M. Davidson and G. Grätzer, A note on coalitions, Acta Sci. Math. (Szeged) 61 (1995), 33-34.
168. G. Grätzer, H. Lakser and E. T. Schmidt, Congruence representations of join-homomorphisms of distributive lattices: A short proof, Math. Slovaca 46 (1996), 363-369.
169. G. Grätzer and E. T. Schmidt, Complete congruence lattices of join-infinite distributive lattices, Algebra Universalis 37 (1997), 141-143.
170. G. Grätzer, H. Lakser, and E. T. Schmidt, Isotone maps as maps of congruences. I. Abstract maps, Acta Math. Hungar. 75 (1997), 105-135.
171. G. Grätzer, E. T. Schmidt, and D. Wang, A short proof of a theorem of Birkhoff, Algebra Universalis 37 (1997), 253-255..
172. G. Grätzer and D. Wang, A lower bound for congruence representations, Order 14 (1997), 67-74.
173. G. Grätzer, H. Lakser, and E. T. Schmidt, Congruence lattices of finite semimodular lattices, Canad. Math. Bull. 41 (1998), 290-297.
174. G. Grätzer, H. Lakser, and E. T. Schmidt, Restriction of standard congruences on lattices, Contributions to General Algebra, 10 (Klagenfurt, 1997), 167--175, Heyn, Klagenfurt, 1998.
175. G. Grätzer and E. T. Schmidt, Representations of join-homomorphisms of distributive lattices with doubly 2-distributive lattices, Acta Sci. Math. (Szeged). 64 (1998), 373-387.
176. G. Grätzer and E. T. Schmidt, Congruence-preserving extensions of finite lattices into sectionally complemented lattices, Proc. Amer. Math. Soc. 127 (1999), 1903-1915.
177. G. Grätzer and A. Hajnal, On isotone maps on a countable lattice, Algebra Universalis (Mailbox) 41 (1999), 85-86.
178. G. Grätzer and E. T. Schmidt, Sublattices and standard congruences, Algebra Universalis (Mailbox) 41 (1999), 151-153.
179. G. Grätzer and E. T. Schmidt, On finite automorphism groups of simple arguesian lattices, Studia Sci. Math. Hungar. 35 (1999), 247-258.
180. G. Grätzer and F. Wehrung, Proper congruence-preserving extensions of lattices, Acta Math. Hungar. 85 (1999), 175-185.
181. G. Grätzer, Congruence Lattices 101, ORDAL '96 (Ottawa, ON), Theoret. Comput. Sci. 217 (1999), 279-289.
182. G. Grätzer and E. T. Schmidt, Some combinatorial aspects of congruence lattice representations, ORDAL '96 (Ottawa, ON), Theoret. Comput. Sci. 217 (1999), 291-300.
183. G. Grätzer and F. Wehrung, A new lattice construction: the box product, J. Algebra 221 (1999), 315-344.
184. G. Grätzer and F. Wehrung, The M3 [D] construction and n-modularity, Algebra Universalis 41 (1999), 87-114.
185. G. Grätzer and F. Wehrung, Tensor products and transferability of semilattices, Canad. J. Math. 51 (1999), 792-815.
186. G. Grätzer and F. Wehrung, Flat semilattices, Colloq. Math. 79 (1999), 185-191.
187. G. Grätzer, H. Lakser, and F. Wehrung, Congruence amalgamation of lattices. Acta Sci. Math. (Szeged) 66 (2000), 3-22.
188. G. Grätzer and J. Sichler, On the endomorphism monoids of (uniquely) complemented lattices. Trans. Amer. Math. Soc. 352 (2000), 2429-2444.
189. G. Grätzer, H. Lakser, and E. T. Schmidt, Congruence representations of join-homomorphisms of finite distributive lattices: size and breadth, J. Austral. Math. Soc. Ser. A 68 (2000), 85-103.
190. G. Grätzer and F. Wehrung, Tensor products of lattices with zero, revisited, J. Pure Appl. Algebra 147 (2000), 273-301.
191. G. Grätzer and F. Wehrung, The Strong Independence Theorem for automorphism groups and congruence lattices of arbitrary lattices, Adv. in Appl. Math. 24 (2000), 181-221.
192. G. Grätzer and E. T. Schmidt, Congruence-preserving extensions of finite lattices to semimodular lattices. Houston J. Math. 27 (2001), 1-9.
193. G. Grätzer and E. T. Schmidt, Regular congruence-preserving extensions of lattices. Algebra Universalis 46 (2001), 119-130.
194. G. Grätzer, Independence results in lattice theory. Inaugural lecture at the Hungarian Academy of Sciences, in Székfoglalók. Akadémiai Mühely 3 (1995-1998), 2001, 9 pp. (Hungarian)
195. G. Grätzer and E. T. Schmidt, Complete congruence representations with 2-distributive modular lattices. Acta Sci. Math. (Szeged) 67 (2001), 289-300.
196. G. Grätzer, H. Lakser, and E. T. Schmidt, Isotone maps as maps of congruences. II. Concrete maps. Acta Math. Hungar. 92(4) (2001), 253-258.
197. G. Grätzer and F. Wehrung, A survey of tensor products and related constructions in two lectures, The Szeged Meeting, 1998, issue of Algebra Universalis.
198. G. Grätzer and E. T. Schmidt, Congruences and Constructions, in The Concise Handbook of Algebra, Alexander V. Mikhalev and Günter F. Pilz, eds. Kluwer Academic Publishers, Dordrecht, 2002, pp. 417-420. ISBN 0-7923-7072-4.
199. G. Grätzer, Varieties of Lattices, in The Concise Handbook of Algebra, Alexander V. Mikhalev and Günter F. Pilz, eds. Kluwer Academic Publishers, Dordrecht, 2002, pp. 442-446. ISBN 0-7923-7072-4.
200. G. Grätzer and M. Greenberg, Lattice tensor products. I. Coordinatization. Acta Math. Hungar. 95 (4) (2002), 265-283.
201. G. Grätzer and M. Greenberg, Lattice tensor products. II. Ideal lattices. Acta Math. Hungar. 97 (2002), 193-198.
202. G. Grätzer and M. Greenberg, Lattice tensor products. III. Congruences. Acta Math. Hungar. 97 (2003), 167-173.
203. G. Grätzer, E. T. Schmidt, and K. Thomsen, Congruence lattices of uniform lattices. Houston J. Math. 29 (2003), 247-263.
204. G. Grätzer and F. Wehrung, On the number of join-irreducibles in a congruence representation of a finite distributive lattice. Algebra Universalis 49 (2003), 165-178.
205. G. Grätzer and E. T. Schmidt, Representing congruence lattices of lattices with partial unary operations as congruence lattices of lattices. I. Interval equivalence. J. Algebra 269 (2003), 136-159.
206. G. Grätzer and E. T. Schmidt, On the Independence Theorem of related structures for modular (arguesian) lattices, Studia Sci. Math. Hungar. 40 (2003), 1-12.
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207. G. Grätzer and E. T. Schmidt, Finite lattices with isoform congruences, Tatra Mt. Math. Publ. 27 (2003), 111-124.
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208. G. Grätzer and E. T. Schmidt, Congruence class sizes in finite sectionally complemented lattices. Canad. Math. Bull. 47 (2004), 191-205.
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209. G. Grätzer and E. T. Schmidt, Finite lattices and congruences. A survey, Algebra Universalis 52 (2004), 241-278.
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210. G. Grätzer and M. Greenberg, Lattice tensor products. IV. Infinite lattices, Acta Math. Hungar. 103 (2004), 17-30.
211. G. Grätzer, R. W. Quackenbush, E. T. Schmidt, Congruence-preserving extensions of finite lattices to isoform lattices, Acta Sci. Math. (Szeged) 70 (2004), 473-494.
212. G. Grätzer, M. Greenberg, and E. T. Schmidt, Representing congruence lattices of lattices with partial unary operations as congruence lattices of lattices. II. Interval ordering, J. Algebra. 286 (2005), 307-324.
213. G. Grätzer and H. Lakser, Freely adjoining a relative complement to a lattice, Algebra Universalis 53 (2005), 189-210.
214. G. Grätzer and David Kelly, A new lattice construction, Algebra Universalis 53 (2005), 253-265.
215. G. Grätzer and H. Lakser, Notes on sectionally complemented lattices. I. Characterizing the 1960 sectional complement, Acta Math. Acad. Sci. Hungar. 108 (2005), 115-125.
216. G. Grätzer and H. Lakser, Notes on sectionally complemented lattices. II. Generalizing the 1960 sectional complement with and an application to congruence restrictions, Acta Math. Acad. Sci. Hungar. 108 (2005), 251-258.
217. G. Grätzer, H. Lakser, and M. Roddy, Notes on sectionally complemented lattices. III. The general problem, Acta Math. Acad. Sci. Hungar. 109 (2005), 327-336.
218. G. Grätzer and H. Lakser, Freely adjoining a complement to a lattice, Math. Slovaca. 56 (2006), 93-104.
219. G. Grätzer and H. Lakser, Subdirectly irreducible modular lattices of width at most 4. Acta Sci. Math. (Szeged) 73 (2007), 3-30.
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220. G. Grätzer and M. Roddy, Notes on sectionally complemented lattices. IV. How far does the Atom Lemma go? Acta Math. Hungar. 117 (2007), 41-60.
221. G. Grätzer, Two problems that shaped a century of lattice theory. Notices Amer. Math. Soc. 54 (2007), 696-707.
222. G. Grätzer and E. Knapp, Notes on planar semimodular lattices. I. Construction. Acta Sci. Math. (Szeged) 73 (2007), 445-462.
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223. G. Grätzer and E. Knapp, A note on planar semimodular lattices. Algebra Universalis 58 (2008), 497-499.
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224. G. Grätzer and E. Knapp, Notes on planar semimodular lattices. II. Congruences. Acta Sci. Math. (Szeged) 74 (2008), 23-36.
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225. G. Grätzer and E. Knapp, Notes on planar semimodular lattices. III. Congruences of rectangular lattices. Acta Sci. Math. (Szeged) 74 (2008).
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226. G. Grätzer and David Kelly, Which freely generated lattices contain F(3)? Algebra Universalis 59 (2008), 117--132.
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227. G. Grätzer, D. S. Gunderson, and R. W. Quackenbush, The spectrum of a finite pseudocomplemented lattice. Algebra Universalis 61 (2009), 407-411.
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228. G. Grätzer and R. W. Quackenbush, The variety generated by planar modular lattices. Algebra Universalis 63 (2010), 187-201.
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229. G. Grätzer, H. Lakser, and R. W. Quackenbush, Congruence-preserving extensions of congruence-finite lattices to isoform lattices. Acta Sci. Math. (Szeged) 75 (2009), 13-28.
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230. G. Grätzer and E. Knapp, Notes on planar semimodular lattices. IV. The size of a minimal congruence lattice representation with rectangular lattices. Acta Sci. Math. (Szeged) 76 (2010), 3-26.
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231. G. Grätzer and T. Wares, Notes on planar semimodular lattices. V. Cover-preserving embeddings of finite semimodular lattices into simple semimodular lattices. Acta Sci. Math. (Szeged) 76 (2010), 27-33.
232. G. Grätzer and H. Lakser, Representing homomorphisms of congruence lattices as restrictions of congruences of isoform lattices. Acta Sci. Math. (Szeged) 76 (2009), 393-421.
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233. G. Grätzer and R. W. Quackenbush, Positive universal classes in locally finite varieties. Algebra Universalis 64 (2010), 1-13.
234. G. Grätzer and J.B. Nation, A new look at the Jordan-Hölder theorem for semimodular lattices. Algebra Universalis 64 (2011), 309-310.
235. G. Grätzer, G. Klus, and A. Nguyen, On the algorithmic construction of the 1960 sectional complement. Acta Sci. Math. (Szeged) 77 (2011), 35-45
236. G. Czédli and G. Grätzer, Lattice tolerances and congruences. Algebra Universalis.
237. G. M. Bergman and G. Grätzer, Isotone maps of lattices.