Author
- Jayarāmanyāyapañcānana1
- Jayarāmācārya1
- Jayyānī, al-Ḥusayn ibn Muḥammad, 1035-1105?1
- Jayāditya1
- Jazūlī, Yaḥyá ibn Mūsá1
- Jaʻfar Vāʻiẓ1
- Jaʻfar ibn al-Ḥusayn Shūshtarī1
- Jean Barthélémy1
- Jean Bayard1
- Jean Dupin1
- Jean Gerson1
- Jean Manesca1
- Jean Passerat1
- Jean de Wavrin1
- Jerónimo Román y Zamora1
- Jewish prayers1
- Jews1
- Joachim Bendel1
- Joachim Heinrich Campe1
- Joannes de Crivelli1