- Gomulka, Stanislaw2
- Open Media Research Institute2
- Adam, Jan1
- Agenda-Group1
- Aron, Raymond1
- Betts, Reginald Robert1
- Bogart, Ernest Ludlow1
- Brown, J. F.1
- Conference on East-Central and Southeast European Geography1
- De Vries, Jan1
- Economist Intelligence Unit (Great Britain)1
- Feffer, John1
- Gluckstein, Ygael1
- Greskovits, Béla1
- Johnson, Hewlett1
- Kidron, Michael1
- Lauter, Geza P.1
- Pounds, Norman John Greville1
- Twentieth Century Fund1
- United States. Congress. House. Committee on International Relations. Subcommittee on Europe and the Middle East1