Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Copy of Comments on Uniform Collections Policy by Federal Reserve Bank of Philadelphia, Number X-6440, Volume 31, Page 271, 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/503854, accessed on May 18, 2026.