| Author | Titles | | 1.
| Pires, António Machado | 1 | | 2.
| Pires, António Manuel Bettencourt Machado, 1942- | 7 | | 3.
| Pires, António Pedro | 10 | | 4.
| Pires, António Tomás, 1850-1913 | 19 | | 5.
| Pires, Armando S. | 2 | | 6.
| Pires, Barbosa | 1 | | 7.
| Pires, Beatriz Ferreira, | 1 | | 8.
| Pires, Caldeira, 1854-1930 | 1 | | 9.
| Pires, Carlos | 1 | | 10.
| Pires, Carlos Borges | 8 |
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