| Author | Titles | | 1.
| Harbort, Hans H. | 1 | | 2.
| Harboyan, Garbis | 1 | | 3.
| Harcourt, Eugène d' | 1 | | 4.
| Harcourt, Raoul d' | 1 | | 5.
| Harcourt, Susan Vernon, 1829-1894 | 1 | | 6.
| Hard, Mikael | 1 | | 7.
| Hard Werken Design (Firma) | 1 | | 8.
| Hardacre, P. H. | 1 | | 9.
| Harden, D. B. | 1 | | 10.
| Harden, Donald | 2 |
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