•
Communist Cadre: The Social Background of the American Communist Party Elite. Stanford, California: Hoover Institution Press, 1978. OCLC 4683880. •
The Heyday of American Communism: The Depression Decade. New York: Basic Books, 1984. OCLC 10456780. •
Biographical Dictionary of the American Left. Editor, with
Bernard K. Johnpoll. Westport, Connecticut: Greenwood Press, 1986. •
Far Left of Center: The American Radical Left Today. New Brunswick, New Jersey: Transaction Publishers, 1988. OCLC 17210024. •
The American Communist Movement: Storming Heaven Itself. With
John Earl Haynes. New York: Twayne Publishers, 1992. OCLC 25201075. •
The Secret World of American Communism. With John Earl Haynes and Fridrikh Igorevich Firsov. New Haven, Connecticut: Yale University Press, 1996. OCLC 30779937. •
The Amerasia Spy Case: Prelude to McCarthyism. With
Ronald Radosh. Chapel Hill: University of North Carolina Press, 1996. OCLC 32590046. •
The Soviet World of American Communism. With John Earl Haynes and Kyrill Anderson. New Haven, Connecticut: Yale University Press, 1998. OCLC 37187391. •
Venona: Decoding Soviet Espionage in America. With John Earl Haynes. New Haven, Connecticut: Yale University Press, 1999. OCLC 44694569. •
In Denial: Historians, Communism and Espionage. With John Earl Haynes. San Francisco: Encounter Books, 2003. OCLC 62271849. •
Communism, Espionage, and the Cold War: A Unit of Study for Grades 9-12. With Robert Gabrick. Los Angeles: National Center for History in the Schools, University of California, Los Angeles, 2004. •
Early Cold War Spies : The Espionage Trials That Shaped American Politics. With John Earl Haynes. New York: Cambridge University Press, 2006. •
Spies: The Rise and Fall of the KGB in America. With John Earl Haynes and
Alexander Vassiliev. New Haven, Connecticut: Yale University Press, 2009. •
The Communist Experience in America: A Political and Social History. New Brunswick, New Jersey: Transaction Publishers, 2010. —Selected articles. •
Secret Cables of the Comintern, 1933-1943. With Fridrikh Igorevich Firsov and John Earl Haynes. New Haven, Connecticut: Yale University Press, 2014. ==References==