- Fasts and feasts1
- Fortune-telling1
- Glossaries, vocabularies, etc.1
- God--Worship and love1
- Grief--Religious aspects--Islam1
- Hadith--Commentaries1
- Hymns, Syriac1
- Ibn Nawbakht, Ibrāhīm, active 10th century. Yāqūt fī ʻilm al-kalām1
- Ibn al-Nafīs, ʻAlī ibn Abī al-Ḥazm, 1210 or 1211-1288. Mūjiz al-Qānūn1
- Ibn al-ʻImād al-Aqfahsī, Aḥmad, approximately 1349-1405. Manẓūmah fī al-najāsāt al-maʻfū ʻanhā1
- Intellectual life1
- Irshād al-adhhān ilá aḥkām al-īmān (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. al-Lubāb fī ʻilm al-iʻrāb1
- Islam--Customs and practices1
- John, of Daylam1
- Judgment Day (Islam)1
- Jāmiʻ al-uṣūl li-aḥādīth al-Rasūl (Ibn al-Athīr, Majd al-Dīn al-Mubārak ibn Muḥammad)1
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)1
- Karshuni1
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1