Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Copy of Letter From D. A. Mullen, American Bankers Association, re Numerical System of District and Branch Designations, Number X-3411, Volume 16, Page 598,
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/511688, accessed on May 11, 2026.