| Author | Titles | | 1.
| Triggs, Harry Inigo 1876-1923 | 2 | | 2.
| Triggs, Inigo, 1876-1923 | 0 | | 3.
| Author is: Triggs, Harry Inigo 1876-1923 | 2 | | 4.
| Trigo, Adriano Augusto | 1 | | 5.
| Trigo, Aníbal Augusto | 1 | | 6.
| Trigo, Antonio | 1 | | 7.
| Trigo, Augusto, 1938- | 3 | | 8.
| Trigo, Augusto Fausto Rodrigues, 1938- | 1 | | 9.
| Trigo, Eugénio | 1 | | 10.
| Trigo, Felipe | 1 | | 11.
| Trigo, Filipe | 2 |
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