Encyclopedias, Almanacs, Transcripts, and Maps
- Hartline, Haldan Keffer
- Hartmann, Eduard von (1842–1906)
- Hartmann, Nicolai (1882–1950)
- Harvey, William 1587–1657 English Physician
- Hashimite House (House of Hashim)
- Haskins, Donald Lee
- Hassenfeld, Merrill Lloyd
- Hatano Seiichi (1877–1950)
- Hatcher, Richard Gordon
- Hatim Sultans of Hamdan
- Havana Company
- Havana Conference (1928)
- Havana Meeting (1940)
- Havasupai
- Havlicek, John Joseph
- HAWAII CREOLE ENGLISH
- HAWAII PIDGIN ENGLISH
- HAWAIIAN ENGLISH
- Hawkins, Cornelius L. ("Connie")
- Hawkins, Erskine Ramsay