Telecasting of professional sports contests : hearing before the Antitrust subcommittee (Subcommittee No. 5) of the Committee on the Judiciary, House of Representatives, Eighty-seventh Congress, first session on H.R. 8757, a bill to amend the antitrust laws to authorize leagues of professional football, baseball, basketball, and hockey teams to enter into cetain television contracts, and for other purposes, August 28, 1961. (U.S. G.P.O.,, 1961)