Catholic Radical Alliance
The Catholic Radical Alliance was founded in Pittsburgh, Pennsylvania in 1937 by Roman Catholic priests Charles Owen Rice, Carl Hensler, and George Barry O'Toole., with the approval of their bishop, Hugh C. Boyle. It supported the unionization of workers in the H.J. Heinz Company and the Loose Wiles Biscuit Company in Pittsburgh. In addition to union activities, it founded a house of hospitality, St. Joseph's, which is still active as of 2013. It disassociated itself from the Catholic Worker Movement in World War II, over a disagreement with the Catholic Worker's pacifist stance.
- Contemporary Flyer from the Catholic Radical alliance 
- Bush, Perry. "To Follow the Carpenter of Nazareth". Sojourners (Sep). Retrieved 2008-06-24.
- "Priests, Pickets, Pickle Workers". Time (June 28). 1937-06-28. Retrieved 2008-06-24.
- "Radical Alliance' Priests Strike With Pickets". Pittsburgh Press (Pittsburgh, Pennsylvania). 22 October 1937. p. 42. "We contend that the relationship between Catholicism and capitalism is one of fundamental opposition"
- "Ministers Back Labor in Strikes". New York Times. 1 August 1937. Retrieved 5 September 2010.
- Heineman, Kenneth A. (1999). A Catholic New Deal: Religion and Reform in Depression Pittsburgh. University Park, Pennsylvania: Pennsylvania State University Press. ISBN 0-271-01896-8.
- Roberts, Nancy L. (1984). Dorothy Day and the Catholic Worker. Albany: State University of New York Press. ISBN 0-87395-938-8.