- Faith (Islam)3
- Fate and fatalism--Religious aspects--Islam3
- Fayḍ al-Kāshī, Muḥammad ibn Murtaḍá, 1598 or 9-1680 or 81. Mafātīḥ al-sharāʼiʻ3
- Firmans3
- Georgia (Republic)--Tʻbilisi3
- Glossaries, vocabularies, etc.3
- Gulshan-i rāz (Shabistarī, Maḥmūd ibn ʻAbd al-Karīm)3
- Hadith--Texts3
- Ibn al-ʻArabī, 1165-12403
- Iran--Iṣfahān3
- Iran--Mashhad3
- Iran--Shīrāz3
- Iran--Tabrīz3
- Irshād al-adhhān ilá aḥkām al-īmān (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)3
- Islamic occultism3
- Islamic poetry, Persian3
- Isra' and Mi`raj of the Prophet Muhammad3
- Istiṣḥāb (Islamic law)3
- Jamʻ al-jawāmiʻ fī al-uṣūl (Subkī, Tāj al-Dīn ʻAbd al-Wahhāb ibn ʻAlī)3
- Kanz al-daqāʼiq (Nasafī, ʻAbd Allāh ibn Aḥmad)3