| Author | Titles | | 1.
| Barbosa, Gladys Henriette Novais | 1 | | 2.
| Barbosa, Gomes | 2 | | 3.
| Barbosa, Grazi | 1 | | 4.
| Barbosa & Guimarães, Lda. Arquitectos (Firma de Arquitectura) | 4 | | 5.
| Related author: Barbosa, José António Afonso, 1967- | 4 | | 6.
| Related author: Guimarães, Pedro Lopes, 1969- | 5 | | 7.
| Barbosa, Helena | 1 | | 8.
| Barbosa, Inácio de Vilhena, 1811-1890 | 6 | | 9.
| Barbosa, J. de Vilhena | 1 | | 10.
| Barbosa, Jaime, 1952- | 0 | | 11.
| Barbosa, Jerónimo Soares, 1737-1816 | 5 | | 12.
| Barbosa, João | 1 |
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