On Complete Congruence Lattices of Complete Modular Lattices. - Ralph Freese; George Grätzer; E. Tamás Schmidt (Int. J. Algebra Comput., 1991)

Some Combinatorial Aspects of Congruence Lattice Representations. - George Grätzer; E. Tamás Schmidt (Theor. Comput. Sci., 1999)

On the Scope of Averaging for Frankl's Conjecture. - Gábor Czédli; Miklós Maróti; E. Tamás Schmidt (Order, 2009)

Slim Semimodular Lattices. I. A Visual Approach. - Gábor Czédli; E. Tamás Schmidt (Order, 2012)

Slim Semimodular Lattices. II. A Description by Patchwork Systems. - Gábor Czédli; E. Tamás Schmidt (Order, 2013)

An extension theorem for planar semimodular lattices. - George Grätzer; E. Tamás Schmidt (Period. Math. Hung., 2014)