House report 1165-1249 (with omissions), 80th Congress. 1220. Investigation of effectiveness of anti-racketeering lawn and administration thereof. Supplemental report to 1st Intermediate report of Committee on Expenditures in Executive Departments, investigation of effectiveness and administration of Hobbss amendment (Public law 480, 79th Congress) to Antiracketeering act, approved June 8, 1934 (48 Stat. 971); U. S. C. 1940 ed., title 18. secs. 420a 4247.