- Persian language--Versification1
- Persian letters1
- Personal narratives--Turkish1
- Peter Martyr, Saint, approximately 1205-12521
- Petrarca, Francesco, 1304-13741
- Pharmacognosy1
- Pharmacology1
- Pharmacopoeias1
- Pharmacy--Study and teaching1
- Philip II, King of Macedonia, 382 B.C.-336 B.C.1
- Philip II, King of Spain, 1527-15981
- Philip III, King of Spain, 1578-16211
- Philip IV, King of Spain, 1605-16651
- Philipp I, Landgraf von Hessen, 1504-15671
- Philology1
- Philosophical anthropology1
- Philosophy, Medieval, in literature1
- Phlebotomy1
- Phraseology1
- Physical appearance of Jesus Christ1