[Committee publication] serial, 93d Congress. 38. Amendments to National traffic and motor vehicle safety act of 1966, pt. 2, hearings before Subcommittee on Commrce and Finance, 93d Congress, 1st session on H.R. 7505, H.R. 5529, S, 355, H.R. 4187 (and all identical or similar bills), Mar. 23-May 29, 1973.