Encyclopedias, Almanacs, Transcripts, and Maps
- In Vitro Fertilization and Genetic Screening
- Incan Roads in South America
- Incandescent Light
- Incandescent Light
- Incandescent Light
- Inclusion Body Myositis
- Incontinentia Pigmenti
- Incontinentia pigmenti
- Incontinentia Pigmenti
- Incorporeal Personal Agency (IPA)
- Incrementalism
- Incubus/Succubus
- Independent Church of Australia
- Independent Spiritualist Association of the United States of America
- Indian Journal of Parapsychology
- Indian Perspectives
- Indian Rope Trick
- Indicator, Acid-Base
- Indicator, Acid-Base
- Indicator, Acid-base