| Author | Titles | | 1.
| Tropa, Francisco, 1968- | 55 | | 2.
| Tropa, Mário, 1941- | 3 | | 3.
| Tropa, Pedro, 1973- | 52 | | 4.
| Tröster, Christian | 1 | | 5.
| Trostes, Vera Lúcia Bottrel | 1 | | 6.
| Trotman, Nat | 3 | | 7.
| Trott, Steve Alan | 1 | | 8.
| Trotta, Giampaolo | 3 | | 9.
| Trotter, David, 1951- | 1 | | 10.
| Troubac, Sophie | 1 |
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