| Author | Titles | | 1.
| Harnack, Otto | 1 | | 2.
| Harnecker, Marta | 1 | | 3.
| Harned, Henry H. | 1 | | 4.
| Harnett, William M. 1848-1892 | 1 | | 5.
| Harney, Stefano, 1962- | 1 | | 6.
| Harnoncourt, Anne D', 1943-2008 | 0 | | 7.
| Author is: D'Harnoncourt, Anne, 1943-2008 | 6 | | 8.
| Haro, Carlos | 1 | | 9.
| Haro García, Noemi | 1 | | 10.
| Haro, Gerardo | 1 | | 11.
| Haro, Hubert de | 1 |
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