- Gulshan-i rāz (Shabistarī, Maḥmūd ibn ʻAbd al-Karīm)1
- Hadith (Shiites)1
- Hanbalites1
- Ibn Saʻādah, Aḥmad ibn ʻAlī, active 13th century. Risālat al-ʻilm1
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfiyah fī sharḥ al-Kāfiyah1
- Ibn al-Bannāʾ, Aḥmad ibn Muḥammad, 1256?-1321? Mabāḥith al-aṣlīyah ʻan jumlat al-Ṣūfīyah1
- Ibn al-ʻArabī, 1165-1240. Inshāʼ al-dawāʼir1
- Ibn al-ʻArabī, 1165-1240. Janāḥ al-ṭāʼir1
- Ibn al-ʻArabī, 1165-1240. Works.--Selections1
- Ibn al-ʻArabī, 1165-1240. Ḥikam al-ilāhīyah1
- Ibn al-ʻArabī, 1165-1240. Ṣalāt al-qalb1
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Fatḥ al-mubīn li-sharḥ al-Arbaʻīn1
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Tuḥfat al-muḥtāj bi-sharḥ al-Minhāj1
- Imamate1
- Islam--Theology1
- Islamic eschatology1
- Islamic etiquette1
- Islamic interpretations of Adam1
- Islamic law--Interpretation and construction1
- Islamic magic1