- Glossaries, vocabularies, etc.1
- God (Judaism)--Name1
- God--Worship and love1
- Graphs1
- Great Britain. Parliament1
- Greece1
- Greece--Cephalonia (Municipality)1
- Greek literature--Translations into Latin1
- Gunnery1
- Gunpowder1
- Guy of Warwick (Legendary character)--Romances1
- Hadith--Commentaries1
- Hebrew language--Alphabet1
- History, Ancient1
- Hydrology1
- 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
- Incarnation1