| Autor | Títulos | | 1.
| Hartnack, Vicky | 10 | | 2.
| Hartnack, Victoria | 1 | | 3.
| Hartnack, Wilhelm | 1 | | 4.
| Hartnell, Caroline, 19--? - | 1 | | 5.
| Hartog, Arie | 1 | | 6.
| Hartog, François, 1946- | 1 | | 7.
| Hartog, Jan de | 1 | | 8.
| Hartoonian, Gevork | 1 | | 9.
| Hartshorn, Willis | 2 | | 10.
| Hartshorn, Willis E. | 3 |
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