| Author | Titles | | 1.
| Altamira, A. | 1 | | 2.
| Altamira (Lisboa, Portugal) | 0 | | 3.
| Author is: Galeria Altamira (Lisboa, Portugal) | 39 | | 4.
| Altamira, Rafael, 1866-1951 | 6 | | 5.
| Altamirano, Victor | 3 | | 6.
| Altamura, Antonio | 1 | | 7.
| Altberg, Emanuel 1902-? | 1 | | 8.
| Altcappenberg, Heinrich Schulze | 1 | | 9.
| Alte Galerie (Kassel, Alemanha) | 1 | | 10.
| Alte, Miguel d', 1954-2007 | 3 | | 11.
| Alte Pinakothek in München (Alemanha) | 0 | | 12.
| Author is: Alte Pinakothek (Munique, Alemanha) | 8 |
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