CPUSA mendapat sumbangan besar dari Uni Soviet dan menyesuaikan sikap publiknya dengan sikap Soviet.[7] CPUSA juga memiliki agen rahasia untuk membantu agen Soviet melakukan aktivitas mata-mata di Amerika Serikat dan memanfaatkan sejumlah organisasi kedok untuk mengubah opini masyarakat.[8]
Menurut situs web partai: "Partai Komunis tidak mendukung calon dari partai lain, tetapi kami turut mendorong masyarakat menggunakan hak pilihnya di pemilihan umum".
^Constitution of the Communist Party USA. CPUSA Online. 2001.
^Harvey Klehr, John Earl Haynes, and Kyrill M. Anderson, The Soviet World of American Communism, Yale University Press (1998); ISBN0-300-07150-7; p. 148.
^Harvey Klehr, John Earl Haynes and Kyrill M. Anderson, The Soviet World of American Communism, Yale University Press (1998); ISBN0-300-07150-7; p. 74.
Arnesen, Eric, "Civil Rights and the Cold War at Home: Postwar Activism, Anticommunism, and the Decline of the Left", American Communist History (2012), 11#1 pp 5–44.
Draper, Theodore, The Roots of American Communism. New York: Viking, 1957.
Draper, Theodore, American Communism and Soviet Russia: The Formative Period. New York: Viking, 1960.
Draper, Theodore, The Roots of American Communism. New Brunswick, New Jersey: Transaction Publishers (Originally published by Viking Press in 1957). ISBN0-7658-0513-8.
Howe, Irving and Lewis Coser, The American Communist Party: A Critical History. Boston: Beacon Press, 1957.
Isserman, Maurice, Which Side Were You On?: The American Communist Party During the Second World War. Wesleyan University Press, 1982 and 1987.
Jaffe, Philip J., Rise and Fall of American Communism. Horizon Press, 1975.
Klehr, Harvey. The Heyday of American Communism: The Depression Decade, Basic Books, 1984.
Klehr, Harvey and Haynes, John Earl, The American Communist Movement: Storming Heaven Itself, Twayne Publishers (Macmillan), 1992.
Klehr, Harvey, John Earl Haynes, and Fridrikh Igorevich Firsov. The Secret World of American Communism. New Haven: Yale University Press, 1995.
Klehr, Harvey, Kyrill M. Anderson, and John Earl Haynes. The Soviet World of American Communism. New Haven: Yale University Press, 1998.
Lewy, Guenter, The Cause That Failed: Communism in American Political Life. New York: Oxford University Press, 1997.
McDuffie, Erik S., Sojourning for Freedom: Black Women, American Communism, and the Making of Black Left Feminism. Durham: Duke University Press, 2011
Ottanelli, Fraser M., The Communist Party of the United States: From the Depression to World War II. New Brunswick, NJ: Rutgers University Press, 1991.
Palmer, Bryan, James P. Cannon and the Origins of the American Revolutionary Left, 1890–1928. Urbana, IL: Illinois University Press, 2007.
Service, Robert. Comrades!: a history of world communism (2007).
Shannon, David A., The Decline of American Communism: A History of the Communist Party of the United States since 1945. New York: Harcourt, Brace and Co., 1959.
Starobin, Joseph R., American Communism in Crisis, 1943–1957. Cambridge, MA: Harvard University Press, 1972.
Zumoff, Jacob A. The Communist International and US Communism, 1919-1929. [2014] Chicago: Haymarket Books, 2015.
Note: the number of articles, pamphlets and books directly or tangentially relating to communism in the United States and the CPUSA is vast, numbering into the thousands of titles. For a selection of the most important titles, see bibliography on American Communism.
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