| Author | Titles | | 1.
| Hartung, Anna | 1 | | 2.
| Hartung, Hans, 1904-1989 | 6 | | 3.
| Hartung, Hans Ernst, 1904-1989 | 0 | | 4.
| Author is: Hartung, Hans, 1904-1989 | 6 | | 5.
| Hartung, Hans Heinrich Ernst, 1904-1989 | 0 | | 6.
| Author is: Hartung, Hans, 1904-1989 | 6 | | 7.
| Hartung, Heinrich, 1904-1989 | 0 | | 8.
| Author is: Hartung, Hans, 1904-1989 | 6 | | 9.
| Hartung, Rolf | 1 | | 10.
| Hartwell, Rodney Eugene | 1 | | 11.
| Hartwich, O., 1861-? | 1 | | 12.
| Hartwig, Dirk | 1 | | 13.
| Hartwig, Maike, 1964- | 1 |
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