| Author | Titles | | 1.
| Hoz, Carmensa de la | 1 | | 2.
| Hoz, Victor Garcia | 1 | | 3.
| HP - Hidrotécnica Portuguesa | 5 | | 4.
| H.P. Kraus (Firma) | 3 | | 5.
| Related author: Kraus, Hans Peter, 1907-1988 | 1 | | 6.
| Hrdlicka, Alfred, 1928- | 1 | | 7.
| Hrdlicka, V. | 1 | | 8.
| Hrdlicka, Z. | 1 | | 9.
| Hristov, Petio | 1 | | 10.
| Hristova, Pepa, 1977- | 1 | | 11.
| Hromec, Robert, 1970- | 1 |
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