Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Value of Exports and Imports of Selected Commodities at 1913 Prices, Number X-3111, Volume 14, Page 588,
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/511310, accessed on March 7, 2026.