Board of Governors of the Federal Reserve System (U.S.), 1935- , Keir, Peter M. and Stockwell, Eleanor J. FRB Official Memos and Attached Reports : 1965-1969, Box 21, Folder 5, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/archival/1341/item/473003, accessed on July 19, 2025.