| Author | Titles | | 1.
| Helmedach, Gisela | 1 | | 2.
| Helmer, Susanne | 1 | | 3.
| Helmers, F. Leslie C. H. | 1 | | 4.
| Helmhaus Zürich ( Suíça ) | 2 | | 5.
| Helmholtz, Hermann von, 1821-1894 | 2 | | 6.
| Helminger, Nico 1953- | 1 | | 7.
| Helmle, Ervino | 1 | | 8.
| Helmolt, Hans F. | 1 | | 9.
| Helmreich, Stefan | 1 | | 10.
| Helms, Cynthia Newman | 1 |
|
|
