Ciphered Communications and the History of the Communist International
Subventions
The Popular Front
The Spanish Civil War
The International Brigades in Spain
The Comintern and the Terror
The Comintern and the Chinese Communist Party : Divergent Priorities
The Nazi-Soviet Pact
The Comintern, the Communist Parties, and the Great Patriotic War
Dissolution of the Communist International
Conclusion: The Comintern, 1919-1943.
Secret cables of the Comintern, 1933-1943 by Fridrikh Igorevich Firsov. ISBN 9780300198225. Published by Yale University Press in 2014. Publication and catalogue information, links to buy online and reader comments.