- Pregnancy1
- Presentation of Jesus Christ1
- Printed papers1
- Priscillianism1
- Privileges and immunities, Ecclesiastical1
- Profession of faith (Catholic Church)1
- Prophecy--Christianity1
- Protasius, Saint and Martyr1
- Psautiers1
- Punic War (1st) (264-241 B.C.)1
- Punic War, 2nd, 218-201 B.C.1
- Purgatory1
- Purim--Liturgy1
- Qur'ans1
- Rabanus Maurus, Archbishop of Mainz, 784?-8561
- Rainerius1
- Raymond, of Peñafort, Saint, 1175?-12751
- Redemption1
- Registers (Lists)1
- Regula (Benedict, Saint, Abbot of Monte Cassino)1