| Author | Titles | | 1.
| Ádám, Szabó | 1 | | 2.
| Adam Tania Safura | 1 | | 3.
| Adamastor, pseud. | 0 | | 4.
| Author is: Palha, Francisco, 1826-1890 | 9 | | 5.
| Adamczyk, Georges | 1 | | 6.
| Adamek, Diana | 1 | | 7.
| Adamesteanu, Dinu | 13 | | 8.
| Adami, Valerio, 1935- | 11 | | 9.
| Adami, Valerio Romani, 1935- | 0 | | 10.
| Author is: Adami, Valerio, 1935- | 11 | | 11.
| Adamo-Orazio & Ravel | 1 | | 12.
| Adamopoulos, Konstantin | 1 |
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