Gustav Jahn (Austrian, 1879-1919)
Elisha Brown Bird (American, 1867 - 1943)
Emil Cardinaux (Swiss, 1877–1936)
National Institutes of Health (American, 1887-)
Jolijn van de Wouw (Dutch, 1942-2001)
Ludvig Sandöe Ipsen (Danish, 1840-1920)
Anonymous
Michael P. Whelan (American, 19th/20th Century)
National Institutes of Health (American, 1887-)
Zoro (American, 20th century)
Liebler and Maass Lith. (American, 19th/20th Century)
Strobridge & Co. Lith. (American, 1847 -)
David Henry Souter (Australian, 1862-1935)
Albert Sterner (American, 1863 – 1946)
William Carqueville (American, 1871-1946)
Rachael Romero (Australian, b. 1953)
Strobridge & Co. Lith. (American, 1847 -)
Leonetto Cappiello (Italian, 1875-1942)
Anonymous
Charles Lucas (French, 1871 - 1930)
Eric Rohman (Swedish, 1891 - 1949)
Burkhard Mangold (Swiss, 1873-1950)
Anonymous