Regulation of Over-the-counter Markets: Hearings Before a Subcommittee of the Committee on Interstate and Foreign Commerce, House of Representatives, Seventy-fifth Congress, Third Session, on S. 3255, H.R. 9634, Bills to Provide for the Establishment of a Merchanism Or Regulation Among Over-the-counter Brokers and Dealers Operating in Interstate and Foreign Commerce Or Through the Mails, Comparable to that Provided by National Securities Exchanges Under the Securities Exchange Act of 1934, and for Other Purposes. April 11, 1938