1. The debt of the public to the medical profession Author(s): Keen, William W. (William Williams), 1837-1932 Publication: [Philadelphia? : s.n., 1899?] Subject(s): Communicable Disease ControlPhysician's Role
2. Prophylaxis: an anniversary oration delivered before the New York Academy of Medicine, Wednesday, Dec. 19th, 1866 Author(s): Ordronaux, John, 1830-1908 Publication: New York, Baillière Bros., 1867 Subject(s): Preventive MedicineCommunicable Disease Control