Author
- Omar Khayyám1
- Patanjali1
- Pedanius Dioscorides1
- Pedro de Valencia1
- Pero López de Ayala1
- Petrus Apianus1
- Pierre Mathieu1
- Pietro Magno1
- Pope1
- Quṭb Jamāl al-Dīn Aḥmad Hānsavī1
- Qāsim ʻAlī Qāʼinī1
- Raghib Isfahani1
- Raghudeva Nyāyālaṅkāra1
- Rajab al-Bursi1
- Ramazanzade Mehmed Çelebi1
- Rav Ḥamai1
- Rayḥān Āghā ibn ʻAbd Allāh1
- Raḍī, Muḥammad ibn ʻAlāʾ al-Dīn1
- Refael Mordekhai Malki1
- Renchius, Henricus1