| Author | Titles | | 1.
| Hadjimichalis, George, 1954- | 1 | | 2.
| Hadjinicolaou, Nicos | 4 | | 3.
| Hadjipaschalis, Eleni | 1 | | 4.
| Hadler, Mona | 1 | | 5.
| Hadley, Albert | 1 | | 6.
| Hadorn, Ernst | 2 | | 7.
| Hadow, W. H. | 1 | | 8.
| Hadsbourg, Otto, 1912- | 1 | | 9.
| Hadzsits, George Depue | 1 | | 10.
| Haeberlin, E. J. | 2 |
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