Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Interpretation of Banking Act of 1933: Cooperative Banks in Massachusetts as Mutual Savings Banks, Number X-7539, Volume 39, Page 118, 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/505140, accessed on March 7, 2026.