| Author | Titles | | 1.
| Pillotto, Silvia | 1 | | 2.
| Pillouër, Pierre le, 1950- | 1 | | 3.
| Pillsbury, Edmund | 1 | | 4.
| Pillsbury, Stanley R. | 2 | | 5.
| Piló, Conceição, 1927- | 3 | | 6.
| Pilo, Giuseppe Maria | 2 | | 7.
| Piló, Manuel, 1905-1988 | 1 | | 8.
| Pilo, Mario | 2 | | 9.
| Pilon, Edmond, 1874-1945 | 5 | | 10.
| Pilon, Veno, 1896-1970 | 1 |
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