Encyclopedias, Almanacs, Transcripts, and Maps
- Incest
- Incest
- Incest (in the Bible)
- Inclination, Good and Evil
- Incommunicability
- Incorporation in Christ
- Incorporation into the Church (Membership)
- Inculturation, Liturgical
- Inculturation, Theology of
- Indefectibility
- Independence Day, Israel
- Independent and Old Catholic Churches
- Independent and Old Catholic Churches
- Independent Fundamentalist Family
- Independent Jewish Workers Party
- Independent Liberal Party
- Index of Prohibited Books
- India, Buddhist Art in
- India, Christianity in
- India, Northwest