Encyclopedias, Almanacs, Transcripts, and Maps
- Ilmarinen
- image, optical
- Images: Images, Icons, and Idols
- Images: Veneration of Images
- Imamate
- Īmān and Islām
- imperial system
- Impervious Material
- Implicit Religion
- Improvement Cutting
- Inanna
- Inarticulata (Nonarticulate Lampshells)
- Inca Religion
- incandescence
- incendiary bomb
- Indian art and architecture
- Indian Philosophies
- Indian Prime Ministers
- Indian Religions
- Indian Religions: An Overview