This photograph shows an exhibit about syphilis titled, "The Shadow on the Land" that appeared at the 1939 World's Fair. It features a large microscope, photographs of family and children, and a map of the United States. Fair visitors are shown…
This photograph shows young men looking at a exhibit of social hygiene posters. This page originally appeared in a book titled, Two Years Fighting V.D. (1920) by the USPHS.