- Halecki, Oskar1
- Hammond, Thomas Taylor1
- Harlan, Veit1
- Havasi, Tamás1
- Hazard, John N.1
- Heller, Andor1
- Hersch, Jeanne1
- Hertz, Aleksander1
- Historical Archives of the Hungarian State Security1
- Hoffman, Jerzy1
- Homer1
- Horváth, Imre1
- Hostler, Charles Warren1
- Hungary. Minisztertanàcs1
- Hámori, Ottó1
- IAroslavskii, Emel'ian1
- Index on Censorship1
- Information Services Department1
- Institut zur Erforschung der UdSSR1
- International Commission of Jurists (1952- )1