Encyclical letter of Our Holy Father, by divine providence Pope Leo XIII on the condition of labor by Catholic Church. Pope (1878-1903 : Leo XIII)

Subjects: “…Church and labor.…”

The just wage, 1750-1890. A study of moralists from Saint Alphonsus to Leo XIII. by Healy, James, S.J

Subjects: “…Church and labor.…”

Catholic activism and the industrial worker / by Betten, Neil

Subjects: “…Church and labor United States History.…”

The social question, its gravity and meaning address at the Social Congress of Liege, September 6, 1887 / by Winterer, abbé

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After forty years. by Catholic Church. Pope (1922-1939 : Pius XI)

Subjects:

Roman Catholicism and the right to work / by McLean, Edward B.

Subjects:

Forty years after: Pius XI and social order, by Miller, Raymond Joseph, 1901-, Catholic Church. Pope (1922-1939 : Pius XI)

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George G. Higgins and the quest for worker justice : the evolution of Catholic social thought in America / by O'Brien, John J., 1941-

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A Catholic new deal : religion and reform in Depression Pittsburgh / by Heineman, Kenneth J., 1962-

Subjects: “…Church and labor Pennsylvania Pittsburgh History 20th century.…”