Udo Keppler (American, 1872 – 1956)
Anonymous
J. Campbel Phillips (American, 1873 - 1949)
Wacław Wąsowicz (Polish, 1891-1942)
Fritz Gareis jr. (Austrian, 1872 – 1925)
Henri Boutet (French, 1851-1919)
Hans Holbein The Younger (German, 1497 - 1543)
Pipein Gamba (Italian, 1868-1954)
Joseph von Führich (Austrian, 1800 - 1876)
Anonymous
Lillian Richter Reynolds (American, 1916-)
Joan Balfour Payne (American, 1923-1973)
Will R. Barnes (American, ?-1939)
Georges Goursat (Sem) (French, 1863–1934)
Elias Grossman (American, 1898 – 1947)
Albert Buell Lewis (American, 1867 – 1940)
Georges Goursat (Sem) (French, 1863–1934)
Samuel Jessurun de Mesquita (Dutch, 1868 – 1944)
Albert Hahn (Dutch, 1877 – 1918)