- Gilison, Jerome M.1
- Great Britain, Foreign and Commonwealth Office1
- Grigulevich, Iosif Romual'dovich1
- Grimsted, Patricia Kennedy1
- Group Inconnu1
- Gyöngyössy, Imre1
- Głąbiński, Stanisław1
- Harrison, James P.1
- Hegedüs, András1
- Hingley, Ronald1
- Hinton, William1
- Historical Archives of the Hungarian State Security1
- Hollander, Gayle Durham1
- Hoppe, Jan1
- Horowitz, David1
- Howe, Ellic1
- Hungarian Institute for Public Opinion Research1
- Hungary1
- Huszadik Század Hangja Kutatóműhely1
- Hutton, Joseph Bernard1