English, William B. (William Berkeley), 1960- and Sack, Brian P. "Memo: Draining Tools Update," in United States. Federal Open Market Committee. "Meeting, June 21-22, 2011," Federal Open Market Committee Meeting Minutes, Transcripts, and Other Documents (June 21-22, 2011) : 1-5. https://fraser.stlouisfed.org/title/677/item/23300/content/pdf/fomc20110518memo01/toc/522242 , accessed on April 26, 2024.