Names
- Paxson, Frederic L. (Frederic Logan), 1877-1948.1
- Peale, Norman Vincent, 1898-1993.1
- Pearse, A. S. (Arthur Sperry), 1877-1956.1
- Peckham, Howard H. (Howard Henry), 1910-1995.1
- Perkins, John A. (John Alanson), 1914-1
- Perkins, John A. (John Alanson), 1914-1982.1
- Perlman, Selig, 1888-1959.1
- Peterson, Enoch Ernest, 1891-1
- Phelps, William Lyon, 1865-1943.1
- Phelps, William Lyon, 1868-1943.1
- Phillips, Ulrich Bonnell, 1877-1934.1
- Piaget, Jean, 1896-1
- Piaget, Jean, 1896-1980.1
- Pillsbury, W. B. (Walter Bowers), 1872-1960.1
- Pollock, James Kerr, 1898-1
- Pond, Irving K. (Irving Kane), 1857-1939.1
- Potter, Louise, 1895-1
- Power, Eugene B., 1905-1
- Reeves, Jesse Siddall, 1872-1
- Reichert, Rudolph Edward, 1887-1965.1