- P.J.W. (1)
- PW (5)
- Pachner, 1915-? (1)
- Paech, Gustav (1)
- Parker, Alfred, 1906-1985 (3)
- Parker, Cushman (2)
- Parkes, Oscar (1)
- Partridge, Bernard, 1861-1945 (2)
- Paske (4)
- Patterson, Lucile, 1890-? (1)
- Paulus, P. (1)
- Paus, Herbert Andrew, 1880-1946 (7)
- Pears, Charles, 1873-1958 (1)
- Peel (1)
- Penfield, Edward, 1866-1925 (3)
- Pennell, Joseph, 1857-1926 (2)
- Perard, Victor Semon, 1870-1957 (1)
- Perlin, Bernard, 1918-? (3)
- Perry, Raymond (1)
- Petts, K. J. (1)