H. Carter (American, 19th/20th century)
National Institutes of Health (American, 1887-)
Anonymous
Gebroeders Braakensiek (Dutch, 19th Century)
Augusto Giacometti (Swiss, 1877 – 1947)
Anonymous
Remi Kramer (American, 20th Century)
U.S. Lithograph Co. (American, 19th/20th Century)
Centers for Disease Control and Prevention (American, 1946-)
Kees Ruyter (Dutch, 20th Century)
Anonymous
Louis Prang (American, 1824 – 1909)
U.S. Information Agency (American, 1953-1999)
Nelly Littlehale Murphy (American, 1867-1941)
Jules Chéret (French, 1836-1932)
Anonymous
U.S. Information Agency (American, 1953-1999)
Anonymous
Anonymous