Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Bethea re Uniformity in Size of Paper Used for Regulations, Circulars and Letters by Board and Federal Reserve Banks Suggested, Number R-606, Volume 52, Page 48,
Mimeograph Letters and Statements of the Board.
Board of Governors of the Federal Reserve System (U.S.), 1935-.
https://fraser.stlouisfed.org/archival/4957/item/509148, accessed on March 5, 2026.