Dictionaries, Thesauruses, Pictures, and Press Releases
- Hittorf, Johann Wilhelm
- Hitzig, (Julius) Eduard
- Hjort, Johan
- HLA
- hlaup
- hnRNA
- hnRNP
- Hoagland, Dennis Robert
- hoarding
- hoarding
- Höber, Rudolf Otto Anselm
- Hobson, Ernest William
- Hodge, William Vallance Douglas
- Hodgkin, Alan
- Hodgkinson, Eaton
- Hodotermitidae
- Hodotermitinae
- Hoek, Martinus
- Hoeven, Jan Van Der
- Hoff, Karl Ernst Adolf von