| Author | Titles | 1.
| Trapier, Stéphane | 1 | 2.
| Trapietto, Andres, 19--- | 1 | 3.
| Trapmore, Alison | 1 | 4.
| Trapo, Juan | 1 | 5.
| Trapp, Eugen | 1 | 6.
| Trapp, Frank Anderson | 2 | 7.
| Traquair, Ramsay, 1874-1952 | 1 | 8.
| Traquino, Marta | 7 | 9.
| Traquino, Marta Isabel Barreto | 2 | 10.
| Trasciatti, Alessandro | 1 |
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