| Author | Titles | 1.
| Astelarra, Judith | 1 | 2.
| Astelbauer, Wolfgang | 1 | 3.
| Astengo, Corradino | 1 | 4.
| Astengo, Domenico | 1 | 5.
| Astengo, Giovanni | 1 | 6.
| Aster, E. von | 1 | 7.
| Aster, Ernst von, 1778-1855 | 1 | 8.
| Aster, Paul | 1 | 9.
| Asthoff, Jens | 5 | 10.
| Asthoff, Jens ; Chassey, Eric de ; Sausset, Damien | 1 |
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