| Author | Titles | | 1.
| Harker, J. H. | 1 | | 2.
| Harker, Margaret, 1920-2013 | 2 | | 3.
| Harker, Margaret F., 1920-2013 | 0 | | 4.
| Author is: Harker, Margaret, 1920-2013 | 2 | | 5.
| Harker, Margaret Florence, 1920-2013 | 0 | | 6.
| Author is: Harker, Margaret, 1920-2013 | 2 | | 7.
| Harkness, John C. | 1 | | 8.
| Harlan, Calvin | 1 | | 9.
| Harland, John | 2 | | 10.
| Harland, M. C. | 1 | | 11.
| Harlé, Diane | 2 | | 12.
| Harle, J. C. | 1 |
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