- Iran--Tabrīz1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. al-Lubāb fī ʻilm al-iʻrāb1
- Islamic calendar1
- Islamic law1
- Islamic law--Interpretation and construction1
- Islamic philosophy1
- Isnawī, ʻAbd al-Raḥīm ibn al-Ḥasan, 1305-13701
- Logic1
- Manuscripts, Persian1
- Mufaṣṣal (Zamakhsharī, Maḥmūd ibn ʻUmar)1
- Muḥammad, Prophet, -6321
- Muṭawwal (Taftāzānī, Masʻūd ibn ʻUmar)1
- Purity, Ritual--Islam1
- Rhetoric1
- Shafiites1
- Shāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Stamps1
- Sufism1
- Talkhīṣ Miftāḥ al-ʻulūm (Qazwīnī, Jalāl al-Dīn Muḥammad ibn ʻAbd al-Raḥmān)1
- Umm al-barāhīn fī ʻilm al-kalām (Sanūsī, Muḥammad ibn Yūsuf)1