Edward Penfield (American, 1866 - 1925)
U.S. Lithograph Co. (American, 19th/20th Century)
Anonymous
Michael P. Whelan (American, 19th/20th Century)
Louise Stowell (American, 1861-1930)
National Institutes of Health (American, 1887-)
Hans Schleger (German, 1898 - 1976)
Eric Rohman (Swedish, 1891 - 1949)
Ignatiĭ Ignatʹevich Nivinskiĭ (Russian, 1881-1933)
Alfred Choubrac (French, 1853-1902)
U.S. Information Agency (American, 1953-1999)
Fred Finley (Canadian, 20th Century)
Eric Rohman (Swedish, 1891 - 1949)
Otis Lithograph Co (American, 19th/20th Century)
Anonymous
Alexey Brodovitch (American, 1898-1971)
Arthur Garfield Learned (American, 1872-1959)
U.S. Printing Co. (American, 19th/20th Century)
National Institutes of Health (American, 1887-)
Theo van Hoytema (Dutch, 1863-1917)
Harrison Fisher (American, 1877 - 1934)
Jules Chéret (French, 1836-1932)