| Author | Titles | | 1.
| Hartog, Arie | 1 | | 2.
| Hartog, François, 1946- | 1 | | 3.
| Hartog, Jan de | 1 | | 4.
| Hartoonian, Gevork | 1 | | 5.
| Hartshorn, Willis | 2 | | 6.
| Hartshorn, Willis E. | 3 | | 7.
| Hartt, Frederick | 10 | | 8.
| Hartung, 1904-1989 | 0 | | 9.
| Author is: Hartung, Hans, 1904-1989 | 6 | | 10.
| Hartung, Anna | 1 | | 11.
| Hartung, Hans, 1904-1989 | 6 |
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