Keywords
- Numbers (Provenance)1
- Oaths1
- Obligations (Law)1
- Occultism1
- Officium pro defunctis (Catholic Church)1
- Old age1
- On the generation of animals (Aristotle)1
- Ontology1
- Origen1
- Orthodox Eastern Church1
- Otto I, Holy Roman Emperor, 912-9731
- Outlines and syllabi1
- Paganelli, Roberto1
- Parables1
- Parva naturalia (Aristotle)1
- Pastoral poetry, Latin1
- Paul III, Pope, 1468-15491
- Pego, Jacobus de1
- Penance (Canon law)1
- Perpetual calendars1