| Author | Titles | | 1.
| Barbosa, Bruno | 2 | | 2.
| Barbosa, Carlos Maurício | 2 | | 3.
| Barbosa, Carlos Senra | 1 | | 4.
| Barbosa, Carvalho | 1 | | 5.
| Barbosa, Cassiano, 1911-1998 | 15 | | 6.
| Barbosa, Cristina | 2 | | 7.
| Barbosa, Daniel Vieira | 1 | | 8.
| Barbosa, Daniela | 1 | | 9.
| Barbosa, David Sampaio Dias | 1 | | 10.
| Barbosa, Domingos Caldas, 1740-1800 | 1 |
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