Encyclopedias, Almanacs, Transcripts, and Maps
- Indian Religions: History of Study
- Indian Religions: Mythic Themes
- Indian Religions: Rural Traditions
- Indian theatre
- Indicator Organism
- Indigenous Peoples
- Indo-European Religions
- Indo-European Religions: An Overview
- Indo-European Religions: History of Study
- Indonesian Forest Fires
- Indus Valley Religion
- Industrial and Commercial Waste
- industrial tribunal
- Industrial Waste Treatment
- Industry and Business, Energy as a Factor of Production in
- Industry and Business, Productivity and Energy Efficiency in
- Inform
- Infoterra (U.N. Environment Program)
- infrared wave
- Initiation: An Overview