National Institutes of Health (American, 1887-)
Marc (French, 19th/20th century)
Allessandro Pomi (Italian, 1890-1976)
Robert Bradley, Jr (American, 20th Century)
Georges Meunier (French, 1869-1942)
Gustave Fraipont (French, 1849 - 1923)
Anonymous
William Carqueville (American, 1871-1946)
Anonymous
Will Bradley (American, 1868 – 1962)
Anonymous
Edward Penfield (American, 1866 - 1925)
Frank Walter Taylor (American, 1874-1921)
National Institutes of Health (American, 1887-)
U.S. Information Agency (American, 1953-1999)
Julius Gipkens (German, 1883-1968)
Louis Tauzin (French, 1845–1914)
Anonymous
David Klein (American, 1918 – 2005)
Anonymous
Harry Veltman (Dutch, 20th Century)
Eddy de Smet (Dutch, 20th Century)
Anonymous
Eric Rohman (Swedish, 1891 - 1949)
Adolphe Léon Willette (French, 1857 - 1926)
Ernst Ludwig Kirchner (German, 1880-1938)