Authors: P
- Postif, Louis 1887-1942
- Post, Louis F. (Louis Freeland) 1849-1928
- Post, Melville Davisson 1869-1930
- Postnikov, Fedor Alexis 1872-
- Poston, Charles D. (Charles Debrille) 1825-1902
- Post, Waldron Kintzing 1868-1955
- Potamian, Brother 1837-1917
- Potapenko, I. N. (Ignatii Nicholaevich) 1856-1929
- Potgieter, E. J. (Everhardus Johannes) 1808-1875
- Potter, Alfred Claghorn 1867-1940
- Potter, Alonzo 1800-1865
- Potter, Austin 1842-1913
- Potter, Beatrix 1866-1943
- Potter, Burton Willis 1843-1927
- Potter, Elizabeth Gray -
- Potter, Ellis Wellington 1920-1981
- Potter, Harry Spafford 1873-1940
- Potter, Hebelius 1768-1824
- Potter, Henry Austin 1869-
- Potter, I. J. -
- Potter, Israel 1744-
- Potter, John Hasloch 1847-1935
- Potter, Margaret Horton 1881-1911
- Potter, Michael Cresse 1858-
- Potter, Miriam Clark 1886-1965
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