Trading in municipal securities : hearings before the Subcommittee on Securities of the Committee on Banking, Housing and Urban Affairs, United States Senate, Ninety-third Congress, second session on S. 1933, to assist cities and states by amending section 5136 of the Revised statutes, as amended, with respect to the authority of national banks to underwrite and deal in securities issued by state and local government, and for other purposes : S. 2474, to amend the Securities Exchange Act of 1934 to provide for the establishment of a mechanism of regulation among brokers, dealers, and banks trading in municipal securities, and for other purposes, May 6, 7, and 8, 1974.