| Author | Titles | | 1.
| Coimbra, David | 1 | | 2.
| Coimbra Editora, Lda. | 1 | | 3.
| Coimbra, Eduardo | 3 | | 4.
| Coimbra Filho, Leonardo, 1914-1970 | 1 | | 5.
| Coimbra, Filipe, 19--?- | 1 | | 6.
| Coimbra. Instituto | 0 | | 7.
| Author is: Instituto de Coimbra (Portugal) | 7 | | 8.
| Coimbra, Jorge | 1 | | 9.
| Coimbra, Jorge Dias, 1945- | 2 | | 10.
| Coimbra, Leonardo, 1883-1936 | 36 | | 11.
| Coimbra, Manuel | 3 |
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