Anonymous
Jerome Henry Rothstein (American, 1918-2008)
Karl Wiener (Austrian, 1901-1949)
O.C Malcolm (American, 19th/20th century)
Anonymous
National Institutes of Health (American, 1887-)
Dmitriĭ Stakhievich Moor (Russian, 1883-1946)
Josef Čapek (Czech, 1887 – 1945)
John Warner Norton (American, 1876-1934)
Hans Schleger (German, 1898 - 1976)
Eric Rohman (Swedish, 1891 - 1949)
William Jeffrey Hartter (American, 20th Century)
Geo. S. Harris & Sons (American, 19th/20th Century)
Dan Smith (American, 1835-1934)
Jules Chéret (French, 1836-1932)
George Frederick Scotson-Clark (American, 1873 - 1973)
Armand Rassenfosse (Belgian, 1862 - 1934)
Florence Lundborg (American, 1871-1949)
Anonymous
George Reiter Brill (American, 1867 - 1918)
Alexandre de Riquer (Spanish, 1856 - 1920)
Lewitt-Him (Polish, 1933-1955)
Douglass Crockwell (American, 1904-1968)
Carel Adolph Lion Cachet (Dutch, 1864 – 1945)
Anonymous
U.S. Information Agency (American, 1953-1999)
Anonymous