| Author | Titles | | 1.
| Hoppenot, J. | 1 | | 2.
| Hopper, Dennis, 1936-2010 | 1 | | 3.
| Hopper, Edward, 1882-1967 | 13 | | 4.
| Hopper, R. J. | 2 | | 5.
| Hopper, Robert, 1946-1999 | 3 | | 6.
| Hoppe-Sailer, Richard | 1 | | 7.
| Hopps, Walter, 1932-2005 | 13 | | 8.
| Hopps, Walter C., 1932-2005 | 0 | | 9.
| Author is: Hopps, Walter, 1932-2005 | 13 | | 10.
| Hopps, Walter Wain, 1932-2005 | 0 | | 11.
| Author is: Hopps, Walter, 1932-2005 | 13 | | 12.
| Hoptman, Laura, 1962- | 8 |
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