- Nove, Alec6
- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)4
- Galbraith, John Kenneth3
- Soros, George3
- Campbell, Robert Wellington2
- Chamberlin, William Henry2
- Freeman, Joseph2
- Gluckstein, Ygael2
- Gomulka, Stanislaw2
- Kornai, János2
- Open Media Research Institute2
- Pounds, Norman John Greville2
- Radio Free Europe/Radio Liberty, Inc - Research Institute2
- Schwartz, Harry2
- Tang, Peter S. H.2
- Winiecki, Jan2
- Abouchar, Alan1
- Adam, Jan1
- Agenda-Group1
- American Trade Union Delegation to the Soviet Union1