Author
Association for the Study of the Nationalities (USSR and East Europe)
3
Free Europe Committee
3
American Association for the Advancement of Slavic Studies
1
Association for the Study of Nationalities
1
Combat Organization Free Poland
1
Czechoslovak-Hungarian-Polish Research Committee
1
Czechoslovak-Polish Research Committee
1
Free Europe
1
Institute for Democracy in Eastern Europe
1
LUPTA
1
National Committee for a Free Europe (U.S.)
1
National Committee for a Free Europe (U.S.). Research and Publications Service
1
Slavic Bibliographic and Documentation Center
1
World Federation of Ukrainian Former Political Prisoners and Victims of the Soviet Regime
1