| Autor | Títulos | | 1.
| Powell, Kenneth, 1947- | 8 | | 2.
| Powell, Nicolas | 1 | | 3.
| Powell, Polly | 1 | | 4.
| Powell, Richard J., 1953- | 1 | | 5.
| Powell, Thomas George Eyre | 1 | | 6.
| Powell, Tom | 1 | | 7.
| Powell, Véronique Gerard | 1 | | 8.
| Powell, Violet | 1 | | 9.
| Powell, Walter W. | 2 | | 10.
| Powell, William | 1 |
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