"How syphilis was discovered in 1000 consecutive cases referred to the syphilis clinic by other divisions of the Johns Hopkins Dispensary : Data from Albert Keidel, M.D., Archives of Dermotology and Syphilology, Vol. 25, p. 470, 1932."
This photograph shows a display about syphilis created by the Hartford Public Library. It includes infographics and charts along with some items used in syphilis control. Some of the images are reprints of ones from Parran's work.