| Author | Titles | | 1.
| Horta, Cristina Ramos e | 10 | | 2.
| Horta, Dimitri, 1970- | 2 | | 3.
| Horta, F. P. | 1 | | 4.
| Horta, H. Silva | 6 | | 5.
| Horta, Helder, 1970- | 1 | | 6.
| Horta, João Gomes, 1936- | 1 | | 7.
| Horta, Joaquim | 1 | | 8.
| Horta, José da Silva | 1 | | 9.
| Horta, José Maria da Ponte e, 1824-1892 | 3 | | 10.
| Horta, Maia, 1974- | 2 |
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