Title
- Progenies regum Britanniae1
- Prognosticatio1
- Prognostication manual1
- Prolegomena in Aristotelem1
- Proprium de tempore1
- Prose1
- Proverbs1
- Provinciale secundum provincias1
- Psalms1
- Psalterium Harmonicum1
- Pupilla oculi1
- Quaestiones1
- Questiones super secundo sententiarum1
- Quid sit annus solaris1
- Quodlibeta1
- Raccolta di celebri arcani1
- Rationale divinorum officiorum1
- Recipe book1
- Recipes1
- Recipes and extracts on alchemy, medicine, metal-working, cosmetics, veterinary science, agriculture, wine-making, and other subjects1