Working papers on Communism and its appeal in Britain, Europe, Asia, North America, and South America, covering subjects such as Marxism, Leninism, and Stalinism; Communist double agents and infiltration techniques; British Communist Party organisation and election candidates; public perceptions of the Soviet Union; industrial and trade union disputes; and social stratification and income disparity. Consists largely of press cuttings, articles, and reports, with Mark Abrams's notes and draft articles relating to Princeton survey on the 'Appeals of Communism'. Some materials include the annotation 'Social Class'. Includes sub-sections originally enclosed in files entitled: 'Prague Trials 1952: Clementis/Slansky'; 'French Communist Party: André Marty and Charles Tillon'; 'John Gollan'; 'Communist Party 24th Congress'; and '1956 Rehabilitation of Titoists: Ending Stalin Cult'.