Records of the General Advisory Committee to the Atomic Energy Commission consisting of minutes and reports of meetings, 1947-1974, a topical index to Chairmen's Reports of Meetings, 1975, and reports relating to the history and operations of the General Advisory Committee, 1952-1956 (6 cubic ft.); records of the Division of Research consisting of correspondence relating to High Energy Physics, 1957-1964 (5 cubic ft.); and records of the Argonne National Laboratory and its predecessor, the University of Chicago Laboratory, 1942-1965 (175 cubic ft.).