- Guelfi, Martino1
- Guelfo, Martino di1
- Guelfs and Ghibellines1
- Guidalotti, Antonia1
- Guido, Jacopo di1
- Guido, Pietro di1
- Guido, d'Arezzo1
- Guidoni, Luigi1
- Gulshan-i rāz (Shabistarī, Maḥmūd ibn ʻAbd al-Karīm)1
- Gurrea Pelliparinus, Johannes de1
- Hadith (Shiites)1
- Hadith--Forgeries1
- Haggadah1
- Hagiography in literature1
- Halakhot (Alfasi, Isaac ben Jacob)1
- Half bindings1
- Hamzīyah fī madḥ Khayr al-Barīyah (Būṣīrī, Sharaf al-Dīn Muḥammad ibn Saʻīd)1
- Haskalah1
- Hebrew language, Talmudic1
- Hebrew language--Etymology1