. . . . . "Freight rates for recyclable materials : hearings before the Subcommittee on Transportation and Aeronautics of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-third Congress, second session, on H.R. 6637 (and all identical bills) ..., H.R. 12536 (and all identical bills)" . . "Freight rates for recyclable materials hearings before the Subcommittee on Transportation and Aeronautics of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-third Congress, second session, on H.R. 6637 (and all identical bills) ..., H.R. 12536 (and all identical bills)"@en . . . . . . . .