| Author | Titles | | 1.
| Anstruther-Thomson, C. | 1 | | 2.
| Ansúr, Alfredo, 1849-1927 | 3 | | 3.
| Answaarden, Robert van | 1 | | 4.
| Ant. M., 1928-1953 | 0 | | 5.
| Author is: Lisboa, António Maria, 1928-1953 | 12 | | 6.
| Antal, Evelyn | 1 | | 7.
| Antal, Frederick | 1 | | 8.
| Antal, Pál | 1 | | 9.
| Antão, 1941- | 0 | | 10.
| Author is: Castro, António Osório de, 1941- | 12 | | 11.
| Antão, Maria Alice | 1 | | 12.
| Antão, Susana | 1 |
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