| Autor | Títulos | | 1.
| Hayes, David K. | 4 | | 2.
| Hayes, P. R. | 1 | | 3.
| Hayman, Leanne | 1 | | 4.
| Haynes, Christopher D. | 1 | | 5.
| Hayward, Arthur L. | 1 | | 6.
| Hazard, Paul, 1878-1944 | 1 | | 7.
| Hazebroucq, Jean-Marie | 3 | | 8.
| Hazeldine, May F. | 1 | | 9.
| Health and Safety Technology and Management | 1 | | 10.
| Heath, Ernie | 1 |
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