Encyclopedias, Almanacs, Transcripts, and Maps
- Islam: Islam in Southeast Asia
- Islam: Islam in Sub-Saharan Africa
- Islam: Islam in the Americas
- Islam: Islam in the Caucasus and the Middle Volga
- Islamic Law: Personal Law
- Islamic Law: Shar??ah
- Islamic Religious Year
- Islands
- ISO 14000: International Environmental Management Standards
- Isopoda (Pillbugs, Slaters, and Woodlice)
- Isoptera (Termites)
- Israeli-Palestinian Accord
- Israelite Law
- Israelite Law: An Overview
- Israelite Law: Criminal Law
- Israelite Law: Personal Status and Family Law
- Israelite Law: Property Law
- Israelite Law: State and Judiciary Law
- Israelite Religion
- Isserles, Mosheh