| Author | Titles | | 1.
| Pledge, Robert | 1 | | 2.
| Pleguezuelo, Alfonso, 1954- | 0 | | 3.
| Author is: Pleguezuelo Hernández, Alfonso, 1954- | 15 | | 4.
| Pleguezuelo Hernández, Alfonso, 1954- | 15 | | 5.
| Pleguezuelos Fernández, Teresa | 1 | | 6.
| Plehn, Klaus-Peter | 1 | | 7.
| Pleiger, Henriette | 1 | | 8.
| Plekhanov, Georges | 1 | | 9.
| Plénacoste, Gérard | 1 | | 10.
| Plenck, Joseph Jacob von, 1738-1807 | 1 | | 11.
| Plenderleith, H. J. | 3 |
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