Barth, Alfred W. "Memo Attachment: Intervention in the Pound Sterling Market," in United States. Federal Open Market Committee. "Meeting, December 12, 1967," Federal Open Market Committee Meeting Minutes, Transcripts, and Other Documents (December 12, 1967) : 12-12. https://fraser.stlouisfed.org/title/677/item/22933/toc/580233 , accessed on April 30, 2024.