| Author | Titles | | 1.
| Parry, Nigel | 1 | | 2.
| Parry, Roger, 1905-1977 | 2 | | 3.
| Parry, Ross | 1 | | 4.
| Parry, Thomas Gambier, 1816-1888 | 1 | | 5.
| Parsegian, V. L. | 1 | | 6.
| Parshall, Brian | 1 | | 7.
| Parshall, Linda | 2 | | 8.
| Parshall, Peter W. | 1 | | 9.
| Parsi, Jacques | 3 | | 10.
| Parsons, Alfred, 1847-1920 | 1 |
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