Willy Ehringhausen (German, 1886-1933)

Leo Gestel (Dutch, 1881- 1941)

Anonymous

W. Wyrowski (Polish, 19th/20th century)

Anonymous

Jerzy Napieracz (Polish, 1929-2018)

Anonymous

Anonymous

Anonymous

Bernard Linnig (Belgian, 19th/20th century)

Raphael Kirchner (Austrian, 1876-1917)

Louis Titz (Belgian, 1859 - 1932)

Kazimierz Sichulski (Polish, 1879-1942)

Frederick Garrison Hall (American, 1879 - 1946)