| Autor | Títulos | 1.
| ADN | 1 | 2.
| Adolphus, pseud. | 0 | 3.
| Ver: Blanqui, Adolphe, 1798-1854 | 1 | 4.
| Adom, Kibalo | 0 | 5.
| Ver: Adom, Kibalo, ? - 2013 | 2 | 6.
| Adom, Kibalo, ? - 2013 | 2 | 7.
| Adomeit, Hannes | 0 | 8.
| Ver: Adomeit, Hannes, 1942-2022 | 1 | 9.
| Adomeit, Hannes, 1942-2022 | 1 | 10.
| Adonias, Isa | 0 | 11.
| Ver: Adonias, Isa, 1919-2017 | 2 | 12.
| Adonias, Isa, 1919-2017 | 2 | 13.
| Adonis, pseud. | 1 | 14.
| ADoP | 0 | 15.
| Ver: Autoridade Antidopagem de Portugal | 2 |
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