| Author | Titles | | 1.
| ALT, Alphonse | 1 | | 2.
| Alt, Dirk | 1 | | 3.
| Alt, Eugen | 1 | | 4.
| Alt, M. B. | 1 | | 5.
| Altacappenberg, Hein-Th. Schulze | 1 | | 6.
| Altaió, Vicenç, 1954- | 2 | | 7.
| Altamira, A. | 1 | | 8.
| Altamira (Lisboa, Portugal) | 0 | | 9.
| Author is: Galeria Altamira (Lisboa, Portugal) | 39 | | 10.
| Altamira, Rafael, 1866-1951 | 6 | | 11.
| Altamirano, Victor | 3 |
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