This chart shows how gonorrhea was spread among children who attended the same school. It highlights "perversion contact," school contact, and family contact.
American Social Health Association Records (1905-2005), University of Minnesota, Social Welfare History Archives, Box 173, Folder 12, purl.umn.edu/112054.
American Social Health Association Records (1905-2005), University of Minnesota, Social Welfare History Archives, Box 173, Folder 12, purl.umn.edu/112054.