Hughes & Johnson Lith. (American, 19th/20th Century)
Rex Woods (Canadian, 1903 – 1987)
J.Ottmann Lith. Co. (American, 19th/20th Century)
U.S. Information Agency (American, 1953-1999)
Léon Cauvy (French, 1874–1933)
Anonymous
National Institutes of Health (American, 1887-)
Henri Cassiers (Belgian, 1858-1944)
Leonetto Cappiello (Italian, 1875-1942)
Otis Lithograph Co (American, 19th/20th Century)
Anonymous
Artcraft Lithograph (American, 1905–1970)
Armand Rassenfosse (Belgian, 1862 - 1934)
F. Heppenheimer & Co (American, 19th/20th Century)
Bureau of the Census (American, 1902 - )
U.S. Information Agency (American, 1953-1999)
Giovanni Battista Carpanetto (Italian, 1863-1928)
National Institutes of Health (American, 1887-)
McLoughlin Bros (American, 1858-1920)
Leonetto Cappiello (Italian, 1875-1942)
Arnold Nechansky (Austrian, 1888–1939)