| Author | Titles | | 1.
| Pittman, Gene | 2 | | 2.
| Pittman, Holly | 2 | | 3.
| Pittman, Lari, 1952- | 2 | | 4.
| Pittolo, Véronique | 3 | | 5.
| Pitton de Tournefort, Joseph, 1656-1708 | 0 | | 6.
| Author is: Tournefort, Joseph Pitton de, 1656-1708 | 1 | | 7.
| Pitts, Christopher | 1 | | 8.
| Pitts, Priscilla | 1 | | 9.
| Pitts, Terence | 1 | | 10.
| Pitum, pseud. | 1 | | 11.
| Pitz, Fritz | 1 |
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