| Author | Titles | | 1.
| Papi, Gianni | 2 | | 2.
| Papi, Lorenzo, 19--?- | 1 | | 3.
| Papi, Stefano | 1 | | 4.
| Papies, Hans Jürgen | 1 | | 5.
| Papillon, G. | 1 | | 6.
| Papilloud, Jean-Henri | 1 | | 7.
| Papin-Drastik, Ivonne | 1 | | 8.
| Papini, Giovanni, 1881-1956 | 12 | | 9.
| Papini, Pietro | 1 | | 10.
| Papini, Roberto, 1883-1957 | 4 |
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