| Autor | Títulos | 1.
| Clark, Robert | 1 | 2.
| Clark, Robert Casselton | 4 | 3.
| Clark, Ronald W. | 1 | 4.
| Clark, S. D. | 1 | 5.
| Clark, Samuel | 1 | 6.
| Clark, Sydney Aylmer | 1 | 7.
| Clark Symposium, Williamstown, Massachusetts, 2005 | 1 | 8.
| Clark, Tamsin Flegg | 1 | 9.
| Clark, Thomas A. | 2 | 10.
| Clark, Tim | 2 |
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