Names
- Ormandy, Eugene, 1899-1985.1
- Osborn, Chase S. (Chase Salmon), 1860-1949.1
- Osmeña, Sergio, 1878-1961.1
- Palmer family.1
- Palmer, Alonzo Benjamin, 1815-1887.1
- Parker, Francis LeJau, 1873-1966.1
- Patterson, Robert Porter, 1891-1952.1
- Patton, George S. (George Smith), 1885-1945.1
- Pepper, Claude, 1900-1989.1
- Perkins, Frances, 1882-1965.1
- Philippine War Relief of the United States.1
- Picard, Frank A., 1889-1963.1
- Pinchot, Gifford, 1865-1946.1
- Pittman, Key, 1872-1940.1
- Plant, Marcus L., 1911-1984.1
- Polk, Ralph L.1
- Pollock, James Kerr, 1898-1
- Porter, Russell B.1
- Pound, Roscoe, 1870-1964.1
- Pressman, Lee.1