| Author | Titles | | 1.
| Clarke, Francis L. | 1 | | 2.
| Clarke, Geoffrey, 1924-2014 | 1 | | 3.
| Clarke, Geoffrey Petts, 1924-2014 | 0 | | 4.
| Author is: Clarke, Geoffrey, 1924-2014 | 1 | | 5.
| Clarke, Georgia | 2 | | 6.
| Clarke, Gerald | 1 | | 7.
| Clarke, Graham, 1948- | 2 | | 8.
| Clarke, Indigo | 1 | | 9.
| Clarke, Jay A. | 1 | | 10.
| Clarke, Jean-Marie | 5 | | 11.
| Clarke, John | 2 |
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