- Italy--Vicenza2
- Iʻrāb ʻan qawāʻid al-iʻrāb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)2
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār2
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʼid fī sharḥ Tajrīd al-qawāʻid2
- Jamʻ al-jawāmiʻ fī al-uṣūl (Subkī, Tāj al-Dīn ʻAbd al-Wahhāb ibn ʻAlī)2
- Jaʻbarī, Ṣāliḥ ibn Thāmir, d. 1306. Naẓm al-laʼālī2
- Jewish Rebellion (66-73 A.D.)2
- Jewish way of life2
- Jews--Dietary laws2
- Jews--Medicine2
- Kanz al-daqāʼiq (Nasafī, ʻAbd Allāh ibn Aḥmad)2
- Khaṭīb al-Baghdādī, Abū Bakr Aḥmad ibn ʻAlī, 1002-1071. Asmāʼ al-mubhamah fī al-anbāʼ al-muḥkamah2
- Latin (Latin Europe)2
- Lent2
- Lollards2
- Lord's Supper2
- Lord's Supper--Adoration2
- Lord's Supper--Catholic Church2
- Mandeville, John, Sir2
- Manuscripts, Armenian2