- Gusarov, Vladimir Nikolaevich1
- Gyökössy, Endre1
- Gáspár, Sándor1
- Hackett, John Winthrop1
- Haraszti, Miklós1
- Havemann, Robert1
- Haykal, Muḥammad Ḥasanayn1
- Hegedüs, András1
- Historical Archives of the Hungarian State Security1
- Hodnett, Grey1
- Hubai, Miklós1
- Hungarian Institute for Public Opinion Research1
- Huszadik Század Hangja Kutatóműhely1
- Index on Censorship1
- Information Services Department1
- International Helsinki Federation for Human Rights1
- Irani, Robert Ghobad1
- Jassó, Mária1
- Joffe, Maria1
- Judit, Miklósy1