Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Letter From the Governor re Protection of Shipments of Registered Mail, Number X-3092, Volume 14, Page 451,
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/511292, accessed on October 14, 2026.