- Hadith--Authorities1
- Hadith--Terminology1
- Headgear--Religious aspects--Islam1
- History1
- Ibn Mālik, Muḥammad ibn ʻAbd Allāh, -1274. Kāfiyah al-shāfiyah1
- Ibn Saʻādah, Aḥmad ibn ʻAlī, active 13th century. Risālat al-ʻilm1
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfīyah fī sharḥ al-Kāfīyah1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, -1412. Lumaʻ al-yasīrah fī ʻilm al-ḥisāb1
- Imams (Shiites)1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ1
- Ishārāt wa-al-tanbīhāt (Avicenna)1
- Islam--Prayers and devotions1
- Islam--Terminology1
- Islamic etiquette1
- Islamic heresies1
- Islamic poetry1
- Isra' and Mi`raj of the Prophet Muhammad1
- Iʻrāb ʻan qawāʻid al-iʻrāb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Risālah al-kubrá fī al-manṭiq1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Sharḥ Farāʼiḍ al-Sirājīyah1