Former Owner
- Nasir al-Din al-Tusi1
- Nicholas N. Martinovitch1
- Norman H. Strouse1
- Norza, Leon1
- Oettingen-Wallerstein library1
- Okar, Baganbhaṭṭa1
- Oliver R. Barrett1
- Otto Jahn1
- Paolino Gianfilippi1
- ParvaṇIkara Govindabhaṭṭaputra1
- Paurāṇika, Rāmacandrabhaṭṭa1
- Prediger (Schwäbisch Gmünd)1
- Prince Augustus Frederick, Duke of Sussex1
- Puruṣottamadīkṣita1
- Qusṭanṭīn ibn Lūdūlf1
- Ramsau Monastery1
- Richard McKeon1
- Robert Dallas1
- Robert Mignan1
- Robert Samuel Turner1