National Institutes of Health (American, 1887-)
A. Lelong (French, 1871-1933)
U.S. Information Agency (American, 1953-1999)
Anonymous
Anonymous
Eric Rohman (Swedish, 1891 - 1949)
Jacqui Morgan (American, 1939-2013)
Theo van Hoytema (Dutch, 1863-1917)
Anonymous
Lette L. Heudferie (American, 20th Century)
Anonymous
National Institutes of Health (American, 1887-)
Strobridge and Co (American, 1910-1954)
Hubert Morley (American, 20th Century)
Anonymous
Stanisław Sawiczewski (Polish, 1866-1943)
Louis Frederick Hurd (American, 1853-1904)
Anonymous
Anonymous
Eduardo Ramírez Villamizar (Colombian, 1922-2004)
Anonymous
Charles Hubbard Woodbury (American, 1870-1939)
Richard Halls (American, 1906 - )
Fred Taylor (English, 1875-1963)
Eric Rohman (Swedish, 1891 - 1949)
Nils Kreuger (Swedish, 1858 - 1930)
D. Chavannaz (French, 19th/20th century)
Anonymous
Eric Rohman (Swedish, 1891 - 1949)
Strobridge & Co. Lith. (American, 1847 -)
Weimer Pursell (American, 1906-1974)
Archie Gunn (American, 1863 - 1930)
Theo van Hoytema (Dutch, 1863-1917)
National Institutes of Health (American, 1887-)
Anonymous
L.H. Biglow & Co (American, 19th/20th Century)
A.S. Seer's Litho. (American, 19th Century)
U.S. Information Agency (American, 1953-1999)
Edward Penfield (American, 1866 - 1925)
Anonymous