| Author | Titles | 1.
| Thruber, James Grover | 1 | 2.
| Thrurston, Laura B. | 2 | 3.
| Thudichum, Georg | 7 | 4.
| Thue, Anniken | 1 | 5.
| Thuelin, Abade | 1 | 6.
| Thuile, Jean | 1 | 7.
| Thuillier, Jacques, 1928-2011 | 30 | 8.
| Thuillier, Jean | 1 | 9.
| Thuillier, Pierre | 2 | 10.
| Thuillier, Robert, 1910-2004 | 1 |
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