Founding of the Association of Catholic Trade Unionists 
1937
The ACTU arose out the New York Catholic Worker movement. Led by president John Cort, the ACTU through the 1960s promoted organized labor, provided support for Catholic union members, and fought communist influence in American unions.
Books
J. Cort, Dreadful Conversions: The Making of a Catholic Socialist
N. Betten, Catholic Activism and the Industrial Worker