- Gabrielli, Ghita3
- Girolami, Matteo de3
- Glossaries, vocabularies, etc.3
- Hadith--Language, style3
- Hanbalites3
- Hidāyah (Marghīnānī, ʻAlī ibn Abī Bakr)3
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubb al-albāb fī ʻilm al-iʻrāb3
- Islam3
- Islamic education3
- Islamic occultism3
- Italian literature3
- Italy--Orvieto3
- Italy--Torri in Val di Pesa3
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tashyīd al-Qawāʻid3
- Land tenure3
- Legal documents3
- Libraries3
- Logic3
- Manuscripts, English (Middle)3
- Manuscripts, European3