1923
M.C. Escher, 1934
Schwartz, Seymour, Mr. and Mrs., 1929
Schwartz, Seymour, Mr. and Mrs., 1959
M.C. Escher, 1930
Schwartz, Seymour, Mr. and Mrs., 1932
M.C. Escher, 1921
Schwartz, Seymour, Mr. and Mrs., 1933
M.C. Escher, 1933
