U.S. Government Printing Office (American, 1861-)
Anonymous
Anonymous
Centers for Disease Control and Prevention (American, 1946-)
Durex Information Service for Sexual Health (American, 20th century)
U.S. Government Printing Office (American, 1861-)
Centers for Disease Control and Prevention (American, 1946-)
Florence White Williams (American, 1895-1953)
Franz O. Schiffers (American, Active 1946)
American Red Cross (American, 1881-)
Centers for Disease Control and Prevention (American, 1946-)
Centers for Disease Control and Prevention (American, 1946-)
Leonard Karsakov (American, 20th Century)