The series comprises papers relating to the demise of the Communist Party of Great Britain and the formation of the Democratic Left, including the draft constitution and manifesto of the Democratic Left, and its publication entitled The New Times, with papers relating to the Communist Party Great Britain and Communist Party Wales.

The file includes papers relating to local government and the Labour movement, with a 'Declaration on the dissolution of the Revolutionary Communist Party and the entry of its members into the Labour Party', 1949.