U.S. Government Printing Office: Washington, D.C., 1961. Paperback. Very Good. Item #21-4321
Two vols. Illus., 9 x 6", green wraps, 1-286, 287-601. Covers have light wear and staining, light staining to bottom page edges else very good condition. Included under "Exhibits" "Map of the United States showing flow of information between known gamblers and layoff centers as established through examination of long-distance telephone call records". Two volumes, sold as a set.