Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Letter From the Secretary re Shipment of Currency by Registered Mail at Parcel Post Rates, Number X-1773, Volume 11, Page 1016,
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/512649, accessed on March 14, 2026.