Increase in SEC regulation A offering limits. : Hearings before a subcommittee of the Committee on Banking and Currency, United States Senate, Eighty-fifth Congress, first session, on S. 810 and S. 843, bills amending section 3 (b) of the Securities act of 1933 to permit exemption of security issures not exceeding $500,000 from the provisions of such act. (U.S. Govt. Print. Off,, 1957)