- Persian literature26
- Persian poetry54
- Persian prose literature2
- Persius1
- Pesciori, Guglielmo1
- Phalaris, Tyrant of Agrigentum, active 6th century B.C.1
- Pharmacognosy1
- Pharmacology1
- Pharmacy1
- Philip II, King of Spain, 1527-15984
- Philip III, King of Spain, 1578-16211
- Philip IV, King of Spain, 1605-16651
- Philip, Duke of Burgundy, 1396-14671
- Philipp I, Landgraf von Hessen, 1504-15671
- Philosophy3
- Philosophy and religion2
- Philosophy, Ancient2
- Philosophy, Chinese1
- Philosophy, Medieval2
- Physical sciences4