The 'Catholic' Viewpoint on Industry Councils
Father William J. Smith S.J.
American Catholic History Research Center and University Archive, The American Ecclesiastical Review, vol. 122, 1950, 107-120
1950
Quadragesimo Anno
Pope Pius XI
After Forty Years, Encyclical Letter of His Holiness Pius XI, by Divine Providence Pope
Barry Vail Corporation
1931