International news.
Fourth International.International Contact Commission.
Revolutionary Workers League of the U.S.
Chicago, Ill. : International News,
1939-
Published by: International News, Sept. 1939-; by Demos Press, 
Title from cover.
Latest issue consulted: Vol. 1, no. 6 (Dec. 1949) (surrogate).
None published Aug.-Nov. 1946, Oct. 1947-May 1948.
Theoretical organ of the Provisional International Contact Commission, Sept. 1939-Sept. 1940; of the International Contact Commission for the New Communist (4th) International, Oct. 1940-
Issued by the Revolutionary Workers League for the International Contact Commission, 
Communism
Socialism
World politics
Marxist (Chicago, Ill.)