| Author | Titles | | 1.
| Guimarães, Alberto Prado | 1 | | 2.
| Guimarães, Alberto Vieira, 1891-1967 | 0 | | 3.
| Author is: Guimarães, Albertino, 1891-1967 | 4 | | 4.
| Guimarães, Alfredo, 1882-1958 | 24 | | 5.
| Guimarães, Amaral | 1 | | 6.
| Guimarães, Ana | 1 | | 7.
| Guimarães, Ana Paula | 1 | | 8.
| Guimarães, Ana Sofia | 1 | | 9.
| Guimaraes, António | 1 | | 10.
| Guimarães, António, 1928- | 15 | | 11.
| Guimarães, António Ferreira de Oliveira, 1928- | 2 |
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