| Author | Titles | | 1.
| Fraenkel, Gottfried | 1 | | 2.
| Fraga, Alexandra | 1 | | 3.
| Fraga, Ana | 2 | | 4.
| Fraga, António | 1 | | 5.
| Fraga, Augusto 1910-2000 | 1 | | 6.
| Fraga, Carlota | 2 | | 7.
| Fraga, Christopher Michael | 5 | | 8.
| Fraga, Coelho de | 1 | | 9.
| Fraga, Gustavo de | 6 | | 10.
| Fraga Iribarne, Manuel | 1 |
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