Greater New York Conference on Soviet Jewry
The Greater New York Conference on Soviet Jewry (GNYCSJ) was founded in 1971, as a non-governmental grassroots organization that worked to secure human rights for Jews in the Soviet Union. It served as an umbrella agency for a number of regional organizations of the Soviet Jewry movement.
Source: Wikipedia — Greater New York Conference on Soviet Jewry (CC BY-SA 4.0)