| Author | Titles | | 1.
| Hadzsits, George Depue | 1 | | 2.
| Haeberlin, E. J. | 2 | | 3.
| Haebler, Konrad | 3 | | 4.
| Haeburn-Litte, W. | 1 | | 5.
| Haeburn-Little, W. | 1 | | 6.
| Haecke, Frank van | 1 | | 7.
| Haeckel, Ernst, 1834-1919 | 13 | | 8.
| Haeckel, Ernst Heinrich Philip August, 1834-1919 | 0 | | 9.
| Author is: Haeckel, Ernst, 1834-1919 | 13 | | 10.
| Haeflinger, Paul | 1 | | 11.
| Haegue Yang, 1971- | 0 | | 12.
| Author is: Yang, Haegue, 1971- | 2 |
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