| Author | Titles | 1.
| Barbosa, Agostinho, 1590-1649 | 1 | 2.
| Barbosa, Alberto | 1 | 3.
| Barbosa, Alberto, 1891- | 1 | 4.
| Barbosa, Albino | 1 | 5.
| Barbosa, Alexandre | 2 | 6.
| Barbosa, Álvaro | 3 | 7.
| Barbosa, Álvaro José | 1 | 8.
| Barbosa, Amália Gomes | 1 | 9.
| Barbosa, Ana | 1 | 10.
| Barbosa, Ana Mae | 2 |
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