Encyclopedias, Almanacs, Transcripts, and Maps
- Holdheim, Samuel
- Holiness Movement
- Holistic Approach
- Holocaust, The: History
- Holocaust, The: Jewish Theological Responses
- Holothuroidea (Sea Cucumbers)
- Holy Communion
- Holy Order of Mans
- Holy, Idea of the
- Home Counties
- homeothermic
- Hominidae I (Great Apes)
- Hominidae II (Humans)
- Homo habilis
- Homo Religiosus
- Homosexuality
- homozygote
- Honey Possums (Tarsipedidae)
- Honeyguides (Indicatoridae)
- Honjisuijaku