| Autor | Títulos | 1.
| Hartshorn, Willis E. | 3 | 2.
| Hartt, Frederick | 10 | 3.
| Hartung, 1904-1989 | 0 | 4.
| Ver: Hartung, Hans, 1904-1989 | 6 | 5.
| Hartung, Anna | 1 | 6.
| Hartung, Hans, 1904-1989 | 6 | 7.
| Hartung, Hans Ernst, 1904-1989 | 0 | 8.
| Ver: Hartung, Hans, 1904-1989 | 6 | 9.
| Hartung, Hans Heinrich Ernst, 1904-1989 | 0 | 10.
| Ver: Hartung, Hans, 1904-1989 | 6 | 11.
| Hartung, Heinrich, 1904-1989 | 0 | 12.
| Ver: Hartung, Hans, 1904-1989 | 6 | 13.
| Hartung, Rolf | 1 | 14.
| Hartwell, Rodney Eugene | 1 |
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