| Author | Titles | 1.
| Copans, Richard | 15 | 2.
| Cope, Lawrence H. | 2 | 3.
| Copeland, Charles, 1858-1929 | 1 | 4.
| Copeland, Mathieu, 1977- | 9 | 5.
| Copeland, Pamela Cunningham | 1 | 6.
| Copeland, Robert | 1 | 7.
| Copello de Rodríguez, Margarita | 1 | 8.
| Coper, David | 1 | 9.
| Copérnico, Nicolau, 1473-1543 | 4 | 10.
| Copi | 3 |
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