A file of reports, correspondence and memoranda concerning the evolution of worldwide Communism. The documents discuss a wide-ranging survey of forty-six countries regarding questions including the international legality of Communism, the development of Communism within each country, and its subversive threat; anti-Stalinist Communism and how Britain could potentially work with it to undermine the Soviet Union; a speech by Dean Acheson, the United States Secretary of State; a report on the World Federation of Trade Unions; and Communism in Latin America. Other documents include a report on the trends found within communist propaganda from early 1950; a draft summary of indications regarding Soviet foreign policy, featuring an in-depth study of Soviet relations with China; notes to Clement Attlee, the British prime minister, on the development of anti-Stalinist Communism; and a letter from the British ambassador in Caracas regarding the development of Communism in Venezuela.