Encyclopedias, Almanacs, Transcripts, and Maps
- Percivall Pott
- Percivall Pott and the Chimney Sweeps' Cancer
- Percy Harrison Fawcett
- Percy Moreau Ashburn
- Perelandra
- Perfect Sermon
- Perfumes
- Perineural Cysts
- Periodic Function
- Periodic Functions
- Periodic Functions
- Perispirit
- Periventricular Leukomalacia
- Pernety, Antoine Joseph (1716-1801)
- Pêro da Covilhã
- Perovsky-Petrovo-Solovovo, Count(1868-1954)
- Perricone Diet
- Perriman, Florence (Mrs. A. E. Perriman) (d. 1936)
- Perrott-Warrick Research Unit
- Perry LeBaron Spencer