National Institutes of Health (American, 1887-)
Anonymous
Burkhard Mangold (Swiss, 1873-1950)
Friedrich Heubner (German, 1886-1974)
Laboratoires Laleuf (French, 20th Century)
Strobridge & Co. Lith. (American, 1847 -)
Theo van Hoytema (Dutch, 1863-1917)
Adolfo Hohenstein (German, 1854–1928)
Alfred Choubrac (French, 1853-1902)
Anonymous
Jean d'Ylen (French, 1886-1938)
Artcraft Lithograph (American, 1905–1970)
U.S. Information Agency (American, 1953-1999)
Imp. Camis (French, 19th/20th century)
Franciszek Siedlecki (Polish, 1867-1934)
Anonymous
Theo van Hoytema (Dutch, 1863-1917)