Scope and Content Correspondence, clippings, printed material, and manuscripts of articles and talks, mostly concerning economics, especially Catholicism and labor; reports and correspondence of the National Catholic Welfare Conference's Industrial Council Committee, 1950-1951, and the Holy Cross Fathers' Province Development Project, 1958-1959; biographical file on John Cardinal O'Hara, 1935-1960; oral history interview with Keller for the Herbert Hoover Library, 1969; reviews of Keller's publications,...