- Islam--Customs and practices1
- Italian literature--Societies, etc.1
- Italy--Rome1
- Italy--Venice1
- Jaunaye, Etienne Chaton, sieur de, 1543-1
- Jaymes, Diego1
- Jews1
- Jews, Italian1
- Jews--Legal status, laws, etc.1
- Job (Biblical figure)1
- Judgment Day (Islam)1
- Julian, of Eclanum, Bishop, 380-approximately 4551
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)1
- Karshuni1
- Kings and rulers--Duties1
- Kings and rulers--Heraldry1
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Kloster Medingen1
- Knights of Malta1
- Latin drama (Comedy)1