Five great encyclicals labor, education, marriage, reconstructing the social order, atheistic communism, with discussion club outlines - Catholic Church. Pope; Treacy, Gerald Carr 1883-; Catholic Church. Pope 1878-1903 (Leo XIII).; Catholic Church. Pope 1922-1939 (Pius XI). (New York Paulist Press, 1939)
Keywords: Sociology, Christian -- Catholic authors