| Author | Titles | | 1.
| Hackenbroich, Wilfried | 2 | | 2.
| Hackens, Tony | 4 | | 3.
| Hacker, Peter | 1 | | 4.
| Hacker, Peter Michael Stephan | 1 | | 5.
| Hacker-Klier, Ingrid | 1 | | 6.
| Hackett, Brian | 1 | | 7.
| Hackett, Dorothy | 1 | | 8.
| Hackett, Francis, 1783-? | 3 | | 9.
| Hackett, John | 1 | | 10.
| Hackett, Pat | 1 |
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