- People to People Ambassador Programs2
- Pepper, Claude, 1900-19892
- Percy, Charles H., 1919-20113
- Peres, Shimon, 1923-20162
- Perkins, Carl Dewey, 1912-19846
- Perlmutter, Edwin G.1
- Perry, A. Michael, 1936-20151
- Peters, Mary E. 1
- Phil G. McDonald Bridge (W. Va.)1
- Philanthropists--United States2
- Photographers1
- Photography2
- Piedmont Airlines1
- Pittsburgh Pirates (Baseball team)2
- Police7
- Political campaigns10
- Political campaigns--United States13
- Political candidates5
- Political conventions6
- Political conventions--United States4
