| Autor | Títulos | | 1.
| Grube, O. W. | 1 | | 2.
| Gruber, 1912-1948 | 0 | | 3.
| Ver: Gruber, Francis, 1912-1948 | 1 | | 4.
| Gruber, Alain | 4 | | 5.
| Gruber, Christiane | 1 | | 6.
| Gruber, Eckhard | 1 | | 7.
| Gruber, Eduardo | 1 | | 8.
| Gruber, Emanuela | 1 | | 9.
| Gruber, Francis, 1912-1948 | 1 | | 10.
| Gruber, Frantz, 1912-1948 | 0 | | 11.
| Ver: Gruber, Francis, 1912-1948 | 1 | | 12.
| Gruber, Franz, 1912-1948 | 0 | | 13.
| Ver: Gruber, Francis, 1912-1948 | 1 |
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