USSR

Union of Soviet Socialist Republics
U.S.S.R.
Soviet Union

For works published or which cover the period prior to 24 Dec. 1991
By a communication dated 24 Dec. 1991, the President of the Russian Federation notified the Secretary-General that membership of the USSR in the UN was continued by the Russian Federation

Union of Soviet Socialist Republics
U.S.S.R.
Soviet Union