- Photograph of Memorial Font in the Chapel of St. Cornelius the Centurion, Governors Island, N.Y.; Biographical sketch of Alexander Henry Hoff; no author, no date, 1911, undated1
- Photographs - halftones, 19171
- Physical Medicine1
- Physiotherapy - Rehabilitation1
- Pierson, Robert H., Colonel U.S. Army (1874- ), 19331
- Pinning down C, 19321
- Population and the Depression, 1934-361
- Population in a World at War, 1942-19461
- Population, 19311
- Post-panel documents1
- Potter, William Warren - Lieutenant Colonel, U.S.V. (d.1911) + portrait1
- Pray for a Little Boredom (Epidemics, Pandemics, and Mass Hysteria: From Antiquity to AIDS Conference, Kauai, HI)", 1987 Mar 201
- Preliminary Subject File and Hand Notes, 1947-19531
- Prevention and Control of Narcotic Addiction, 19601
- Prevention and Education, Mar. 1-3, 19881
- Printed matter, 1875-19141
- Printed matter, 1882-19131
- Proposed Implementation of Efficacy Review (Federal Register), 1980 Apr 151
- Pryor, James Chambers - Surgeon, U.S.N. (1871- ) + portrait1
- Psychiatry and Mental Health1