- Ibn al-Uqlīshī, Aḥmad ibn Maʻadd, -1155 or 11561
- Ibn al-ʻImād al-Aqfahsī, Aḥmad, approximately 1349-1405. Manẓūmah fī al-najāsāt al-maʻfū ʻanhā1
- Ibn al-ʻImād al-Aqfahsī, Aḥmad, ca. 1349-1405. Iqtiṣād fī kifāyat al-ʻuqqād1
- Idra zuta1
- Ildephonsus, Saint, approximately 610-6671
- Illegitimacy1
- Illumination of books and manuscripts, French1
- Illumination of books and manuscripts, Iranian1
- Illumination of books and manuscripts--Technique1
- Illustrated works1
- In Coena Domini bulls1
- Indexes1
- India--Ahmadābād1
- India--Goa (State)1
- Indians of Central America--Languages1
- Indians of Central America--Missions1
- Indians of Mexico--Legal status, laws, etc.1
- Indians of Mexico--Religion1
- Indians of Mexico--Social life and customs1
- Indians of Mexico--Taxation1