Rosswurm, Steve. “Communism and the CIO: Catholics and the 1944 Presidential Campaign.” U. S. Catholic Historian 19, No. 4 (2001): 73-86.
----------------. “The Contextualization of a Moment in CIO History: The Mine-Mill Battle in the Connecticut Brass Valley during World War II.” In Rethinking U.S. Labor History: Essays on the Working-Class Experience, 1756-2009, edited by Donna T. Havery-Stacke and Daniel J. Walkowitz, 168-191. New York: Continuum International Publishing, 2010.
Abell, Aaron, American Catholicism and Social Action. Garden City, NY: Hanover House, 1960.
Angelo, Pat. Philip Murray, Union Man. A Life Story. Philadelphia, PA.: Xlibris Corporation, 2003.
Betten, Neil. Catholic Activism and the Industrial Worker. Gainesville, FL.: University Presses of Florida, 1976.
Camp, Richard L. The Papal Handbook of Social Reform: A Study in Historical Development, 1878-1967. London: E.J. Brill, 1969.
Carpenter, Ronald H. Father Charles E. Coughlin: Surrogate Spokesman for the Disaffected. Westport, CT.: Greenwood Press, 1998.
Cross, Robert D. Emergence of Liberal Catholicism in America. Cambridge, MA.: Harvard University Press, 1958.
Donovan, John T. Crusader in the Cold War: A Biography of Fr. John F. Cronin, S.S. (1908-1994). New York: Peter Lang, 2005.
Filippelli, Ronald L., and Mark D. McColloch. Cold War in the Working Class: The Rise and Decline of the United Electrical Workers. Albany, NY: State University of New York Press, 1995.
McShane, Joseph M. Sufficiently Radical: Catholicism, Progressivism, and the Bishops' Program of 1919. Washington, D.C.: The Catholic University of America Press, 1986.
O’Brien, David J. American Catholics and Social Reform: The New Deal Years. New York: Oxford University Press, 1968
Preis, Art. Labor's Giant Step: The First Twenty Years of the CIO: 1936-55. Rev. ed. New York: Pathfinder Press, 1964.
Porter, Glenn. Encyclopedia of American Economic History: Studies of the Principal Movements and Ideas. New York : Scribner, 1980.
Rosswurm, Steve. The FBI and the Catholic Church, 1935 to 1962. Amherst, MA: University of Massachusetts Press, 2009.
-------------, ed. The CIO’s Left-Led Unions. New Brunswick, NJ: Rutgers University Press, 1992.
Ryan, John A. The Catholic Church and the Citizen. New York: Macmillan, 1928.
--------. Catholic Principles of Politics. New York: Macmillan, 1940.
Seaton, Douglas P. Catholics and Radicals: The Association of Catholic Trade Unionists and the American Labor Movement from Depression to Cold War. Lewisburg, PA: Bucknell University Press, 1981
Slawson, Douglas. The Fundamental and First Decade of the National Catholic Welfare Council. Washington, D.C.: The Catholic University of America Press, 1992.
Zieger, Robert H. The CIO 1935-1955. Chapel Hill, N.C.: University of North Carolina Press, 1995.
Batdorf, Sylvia M. “The Work of the Social Action Department of the National Catholic Welfare Conference in All Phases of Industrial Relations.” Masters thesis, The Catholic University of America, 1933.
Cerny, Karl Hubert. Monsignor John A. Ryan and the Social Action Department: An Analysis of a Leading School of American Catholic Social Thought. PhD diss. Yale University, 1955.
Prickett, Robert James. Communists and Communist Issue in the American labor Movement, 1920-1950. PhD diss., University of California Los Angeles, 1975.
The Catholic Labor Network (http://www.catholiclabor.org)
The United States Council of Catholic Bishops - Beliefs and Teachings - section on Catholic social teaching (http://www.usccb.org/beliefs-and-teachings/what-we-believe/catholic-social-teaching/)