Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Future of the Federal Reserve System — Changes Urged by Paul M. Warburg, Number 800, Volume 4, Page 1467,
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/510365, accessed on April 2, 2026.