| Author | Titles | | 1.
| Hagen, Friedrich | 1 | | 2.
| Hagen, Friedrich Heinrich von der | 2 | | 3.
| Hagen, Gunther | 2 | | 4.
| Hagen, Martinus | 1 | | 5.
| Hagen, Ole Henrik, 1955- | 1 | | 6.
| Hagen, Rainer | 1 | | 7.
| Hagen, Rose-Marie | 1 | | 8.
| Hagen, Toni | 1 | | 9.
| Hagen, Victor W. Von | 2 | | 10.
| Hagenbach, Marguerite | 1 |
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