| Author | Titles | | 1.
| Popescu-Spineni, Marin | 1 | | 2.
| Popescu-Vilcea, G. | 1 | | 3.
| Popet, Frédérique | 1 | | 4.
| Popham, A. E. | 6 | | 5.
| Popham, James Kidwell, 1884-1966 | 1 | | 6.
| Popkov, Viktor Efimovich, 1932-1974 | 1 | | 7.
| Popolizio, Evangelina | 1 | | 8.
| Poponi, Maria Paola | 1 | | 9.
| Popov, Genrikh | 1 | | 10.
| Popov, Georgy | 1 |
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