Sproul, Allan, 1896-1978. "Rebuttal to Chairman Martin Re Continuing Operating Procedures of the FOMC," in United States. Federal Open Market Committee. "Meeting, May 9, 1956," Federal Open Market Committee Meeting Minutes, Transcripts, and Other Documents (May 9, 1956) : 1-5. https://fraser.stlouisfed.org/title/677/item/22754/toc/528354 , accessed on May 6, 2024.