Encyclopedias, Almanacs, Transcripts, and Maps
- Humanitarian Science and Technology
- Humanization and Dehumanization
- Humboldt and Bonpland's Landmark Expedition to the Spanish Colonies of South America (1799-1804)
- Hummingbirds
- Hummingbirds
- Hummingbirds: Trochilidae
- Humpfner, Winfried G(oswin) (1889-1962)
- Humphrey Cole
- Humphrey Gilbert
- Humphry Davy
- Humphry Marshall
- Hunayn ibn Ishaq
- Hunayn ibn Ishaq (Johannitius)
- Hundredth Monkey
- Hunt, Ernest (1878-1967)
- Hunt, H(arry) Ernest (d. 1946)
- Hunter syndrome
- Hurkos, Peter (1911-1988)
- Hurler syndrome
- Hurley, George Willie (1884-1943)