Letter dated 27 October 1961 from the Permanent Representative of the Union of Soviet Socialist Republics addressed to the President of the General Assembly (Continuation of suspension of nuclear and thermo-nuclear tests and obligations of States to refrain from their renewal; The urgent need for a Treaty to Ban Nuclear Weapon Tests under effective international control) General Assembly First Committee Sixteenth session (1961) Union of Soviet Socialist Republics Correspondence 1961-10-26 A/C.1/853 EN
Letter dated 8 November 1961 from the Permanent Representative of the Union of Soviet Socialist Republics addressed to the President of the General Assembly General Assembly First Committee Sixteenth session (1961) Union of Soviet Socialist Republics Correspondence 1961-11-07 A/C.1/856 EN