| Author | Titles | | 1.
| Hardman, Stephen | 1 | | 2.
| Hardmann, Frederick | 1 | | 3.
| Hardouin, Carole | 1 | | 4.
| Hardouin-Fugier, Elisabeth | 4 | | 5.
| Hardt, Ernst | 1 | | 6.
| Hardt, Michael, 1960- | 3 | | 7.
| Hardung, Victor Eugène | 2 | | 8.
| Hardwick, M. Jeffrey | 1 | | 9.
| Hardwicke, Adrian | 1 | | 10.
| Hardwick-Weston, Robert | 1 |
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