- Phalaris, Tyrant of Agrigentum, active 6th century B.C.1
- Philosophy1
- Piccolomini, Andreas1
- Piccolomini, Giacomo di Piero1
- Pigskin bindings1
- Pistus, Augustus1
- Poems1
- Poisons1
- Prescriptions, formulae, receipts, etc.1
- Providence and government of God--Christianity1
- Psalters1
- Punic War (1st) (264-241 B.C.)1
- Quarter bindings1
- Quotations1
- Registers (Lists)1
- Regula (Benedict, Saint, Abbot of Monte Cassino)1
- Religious poetry1
- Rhetoric1
- Rites and ceremonies1
- Roman Civil War (Rome : 43-31 B.C.)1