Holmes, Alan R. "Memo: System Subscriptions in Treasury Cash Refundings," in United States. Federal Open Market Committee. "Meeting, July 16, 1968," Federal Open Market Committee Meeting Minutes, Transcripts, and Other Documents (July 16, 1968) : 4-14. https://fraser.stlouisfed.org/title/677/item/23372/toc/580253 , accessed on May 1, 2024.