- Hair--Dyeing and bleaching1
- Hanafites19
- Haydajī, Muḥammad ʻAlī, -1927 or 19281
- Headbands11
- Hindu chants2
- Hindu logic148
- Hindu philosophy149
- History3
- Holding: University of Pennsylvania1
- Horsemanship1
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfiyah fī sharḥ al-Kāfiyah2
- 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
- Ibn al-Sharīf al-Jurjānī, Muḥammad ibn ʻAlī, -1434 or 1435. Ghurrah fī al-manṭiq3
- Ibn al-ʻArabī, 1165-12403
- Illumination of books and manuscripts, Carolingian1
- Illusion (Philosophy)1
- Illustrated works1
- Ilāhʹābādī, ʻAbd Allāh ibn Shihāb. Sharḥ ʻalá ḍābiṭat sharāʼiṭ al-ashkāl al-arbaʻah li-Tahdhīb al-manṭiq1
- Imamate1