C. McKnight-Smith (American, 19th/20th Century)
Armor Litho. Co. (American, 18th/19th Century)
Anonymous
National Institutes of Health (American, 1887-)
Henri Cassiers (Belgian, 1858-1944)
Theo van Hoytema (Dutch, 1863-1917)
U.S. Information Agency (American, 1953-1999)
Strobridge and Co (American, 1910-1954)
U.S. Information Agency (American, 1953-1999)
Anonymous
Albert Weisgerber (German, 1878 - 1915)
Anonymous
Red Pepper Posters (American, 20th Century)
National Institutes of Health (American, 1887-)
Rachael Romero (Australian, b. 1953)
Charles Arthur Cox (English, 1829–1901)
Anonymous
Anonymous
U.S. Information Agency (American, 1953-1999)
Burkhard Mangold (Swiss, 1873-1950)
U.S. Information Agency (American, 1953-1999)
U.S. Information Agency (American, 1953-1999)
Anonymous
R. P. Ward (American, 19th/20th Century)
Jessie Willcox Smith (American, 1863 – 1935)
Sugiura Hisui (Japanese, 1876 - 1965)