Encyclopedias, Almanacs, Transcripts, and Maps
- Hine, Lewis Wickes
- Hines, Gregory
- Hinrichs, Johann von
- Hippolyte Armand Louis Fizeau
- Hires, Charles Elmer
- Hiroshima and Nagasaki, Bombings of
- Hirschfeld, Magnus
- His Majesty's Own Chancery
- Historians
- Historians and Historiography, African American
- Historical Memory of the Revolution
- historical novels
- Historical Songs
- History and Biography
- History and Fiction
- History of the Crusades
- History, Military Use of
- Hitchcock, Alfred (1899–1980)
- Hitler, Adolf (1889–1945)
- Hittite Empire