Dictionaries, Thesauruses, Pictures, and Press Releases
- Hankel, Wilhelm Gottlieb
- Hann, Julius Ferdinand von
- Hansen, Emil Christian
- Hansen, Gerhard Henrik Armauer
- Hansen, Peter Andreas
- Hansky, Aleksey Pavlovich
- Hansteen, Christopher
- Hantzsch, Arthur Rudolf
- Häntzschel, Walter Helmut
- Hapalemur
- Haploactinidae
- haplobiont
- haplocheilic
- Haplochitonidae
- haplodiphoidy
- haploid number
- haplont
- haplontic
- Haplorrhini
- Haplosclerida