John Shaw Billings and the plan for a sanitary survey of the United States.
D049672:History, 19th Century; D006749:Hospital Design and Construction / Q000266:history; D009317:National Library of Medicine (U.S.) / Q000266:history; D011634:Public Health / Q000266:history*; D012499:Sanitation / Q000266:history*; D014481:United States