- Petrus Textor1
- Petrus, de Herenthals, 1322-1390 or 13911
- Peucer, Kaspar, 1525-16021
- Pezel, Christoph, 1539-16041
- Phanariots1
- Pharaohs1
- Pharmacognosy1
- Pharmacy--Study and teaching1
- Pharsalia (Lucan)1
- Philanthropists1
- Philip II, King of Macedonia, 382 B.C.-336 B.C.1
- Philip IV, King of France, 1268-13141
- Philipp I, Landgraf von Hessen, 1504-15671
- Philippines--Manila1
- Philosophical anthropology1
- Philosophy and science1
- Philosophy, Ancient--Study and teaching1
- Philosophy, Chinese1
- Philosophy, Medieval, in literature1
- Philosophy--Manuscripts1