| Author | Titles | | 1.
| Pirotte, Ernest | 2 | | 2.
| Pirotte, Ernest, pseud | 0 | | 3.
| Author is: Bury, Pol, 1922-2005 | 2 | | 4.
| Pirotte, Philippe | 4 | | 5.
| Piroué, Georges | 1 | | 6.
| Pirovano, C. | 1 | | 7.
| Pirovano, Carla | 1 | | 8.
| Pirovano, Carlo | 4 | | 9.
| Pirovano, Ignacio | 1 | | 10.
| Pirro, Ugo | 1 | | 11.
| Pirsig-Marshall, Tanja | 2 |
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