United States. Federal Open Market Committee. "Meeting, April 26-27, 2011," Federal Open Market Committee Meeting Minutes, Transcripts, and Other Documents (April 26-27, 2011). https://fraser.stlouisfed.org/content/?item_id=23299&filepath=/files/docs/historical/FOMC/meetingdocuments/FOMC20110427tealbookb20110421.pdf, accessed on July 15, 2018.
This collection of meeting documents contains memos released by FOIA request.
Board of Governors of the Federal Reserve System