Names
- Pepper, Claude, 1900-1989.1
- Pepper, Samuel Dewitt, 1877-19601
- Pepper, Samuel Dewitt, 1877-1960.1
- Perkins, Frances, 1882-1965.1
- Perry, Stuart Hoffman, 1874-19571
- Philippine War Relief of the United States.1
- Philips, Delos, 1840-1887.1
- Picard, Frank A., 1889-1963.1
- Pinchot, Gifford, 1865-1946.1
- Pingree, Hazen S., 1840-1901.1
- Pittman, Key, 1872-1940.1
- Polar Bear Association1
- Polar Bear Expedition (1918-1919)1
- Pollock, James K. (James Kerr), 1898-1968.1
- Porter, Russell B.1
- Potier, Pierre-Philippe, 1708-1781.1
- Presbyterian Church -- Michigan -- Detroit.1
- Pressman, Lee.1
- Private Walter Streit1
- Quincy A. Shaw (Ship)1