[Committee hearings] serial, 80th Congress. 14, pt. 5. Study of monopoly power, hearings before subcommittee on study of monopoly power, 81st Congress, 2d session, on H. R. 7905 (H. R. 8763), to amend Clayton act with respect to recovery of triple damages under antitrust laws, and for other purposes, May 8 and 10 1950.