Handouts, programs, and related papers from workshops and retreats conducted by Richard J. Westley, 1968-2006; Westley's newsletter "In the Meantime" on a CD-ROM; and records of talks organized by Westley and given by Father Leo Mahon in Chicago concerning his work in San Miguelito Mission, Panama, liberation theology, and the Church after the Second Vatican Council.

Correspondence, financial and parish records, subject files, histories of the mission, printed material, and photographs. Principal correspondents include John Cardinal Cody of Chicago, Archbishop Marcos McGrath of Panama, and the priests of the mission and the Archdiocese of Chicago: Leo T. Mahon, Donald Headley, Frederick McTernan, John Enright, and John Greeley.