Coombs, Charles A., 1918-1981. "Memo Attachment: Three-Day Swaps for System Account," in United States. Federal Open Market Committee. "Meeting, December 12, 1967," Federal Open Market Committee Meeting Minutes, Transcripts, and Other Documents (December 12, 1967) : 11-11. https://fraser.stlouisfed.org/title/677/item/22933/toc/580232 , accessed on April 30, 2024.