| Author | Titles | 1.
| Popolizio, Evangelina | 1 | 2.
| Poponi, Maria Paola | 1 | 3.
| Popov, Genrikh | 1 | 4.
| Popov, Georgy | 1 | 5.
| Popov, Pavel | 1 | 6.
| Popov, Valentim | 1 | 7.
| Popova, Irina, 1986- | 2 | 8.
| Popova, Liubov Sergeevna, 1889-1924 | 3 | 9.
| Popovic, Ivana | 1 | 10.
| Popovic, Vlada | 1 |
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