| Author | Titles | | 1.
| Petrowicz, Gregorio | 1 | | 2.
| Petrucci, Carlo Alberto | 2 | | 3.
| Petruccioli, Attilio, 1945- | 3 | | 4.
| Petrus, pseud. | 7 | | 5.
| Petrusa, Mariantonietta | 1 | | 6.
| Petrusevich, Nadezhda | 1 | | 7.
| Petry, Diana | 1 | | 8.
| Petry, Michael, 1960- | 5 | | 9.
| Petsch, D. | 1 | | 10.
| Petsch, Robert | 1 |
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