Author
- Isaac Lopez1
- Isaak ben Meïr from Düren1
- Israel Alnaqua1
- Israel Sarug1
- Jacob Israel Karmi1
- Jacob Saphir1
- Jacob ben Asher1
- Jacob ben David ben Yom Tov1
- Jacob ben Machir ibn Tibbon1
- Jacob ben Reuben ibn Zur1
- Jacob ibn Habib1
- Jakob Reifmann1
- Joachim Heinrich Campe1
- Joseph Angelet1
- Joseph Nasi1
- Joseph ben Judah ibn Aknin1
- Joshua ben Israel Benveniste1
- Judah Leib Ben Zeev1
- Judah ben Saul ibn Tibbon1
- Kalonymus ben Kalonymus1