| Author | Titles | | 1.
| Willy D'Huysser (Bruxelas, Bélgica) | 3 | | 2.
| Willy-Brandt-Haus (Berlim, Alemanha) | 2 | | 3.
| Wilm, Johann Renatus | 1 | | 4.
| Wilmart, A. | 1 | | 5.
| Wilmarth, Christopher, 1943-1987 | 3 | | 6.
| Wilmerding, John | 14 | | 7.
| Wilmering, Antoine M. | 1 | | 8.
| Wilmers, Gertrude | 1 | | 9.
| Wilmers, Wilhelm, Padre | 2 | | 10.
| Wilmes, Ulrich | 7 |
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