Authors: P
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- Denniss, Edwin Proctor 1801-1854 May 2, 2017
- Pollen, John Hungerford 1820-1902 Apr 25, 2017
- Piot, René 1866-1934 Apr 24, 2017
- Flat, Paul 1865-1918 Apr 24, 2017
- Jet Propulsion Laboratory (U.S.) - Apr 21, 2017
- Boland, Mary A. 1852-1942 Apr 18, 2017
- Ponsonby, Frederick Cavendish 1783-1838 Apr 9, 2017
- Curtis, George Ticknor 1812-1894 Apr 7, 2017
- Pike, Joseph 1883-1956 Apr 6, 2017
- Pollen, Arthur Joseph Hungerford 1866-1937 Mar 26, 2017
- Poggi, Tito - Mar 13, 2017
- Tucic, Srdan 1873-1940 Mar 12, 2017
- Pratt, Orson 1811-1881 Mar 8, 2017
- Badger, George Percy 1815-1888 Feb 26, 2017
- Phelps, Elizabeth Stuart 1844-1911 Feb 25, 2017
- Stapfer, Philipp Albert 1766-1840 Feb 19, 2017
- Posselt, E. A. (Emanuel Anthony) 1858-1921 Feb 19, 2017
- Potter, Alonzo 1800-1865 Feb 15, 2017
- McGraw-Hill Publishing Company - Feb 10, 2017
- Hewby, John Petch 1835-1896 Feb 10, 2017
- Potapenko, I. N. (Ignatii Nicholaevich) 1856-1929 Feb 6, 2017
- Perdue, H. Avis (Hannah Avis) 1858- Feb 5, 2017
- Robinson, Phil 1847-1902 Jan 31, 2017
- Caliari, Pietro - Jan 29, 2017
- W.B. Saunders Company - Jan 28, 2017