Letter to Marriner Eccles
The Marriner S. Eccles Document Collection
Includes an attached memorandum entitled "Federal Reserve System at a Crossroads." Some pages of the memorandum are cut off.
Sproul, Allan, 1896-1978, 1946, Letter to Marriner Eccles, from The Marriner S. Eccles Document Collection, accessed Dec 11, 2013 from FRASER, http://fraser.stlouisfed.org/docs/historical/eccles/050_16_0003.pdf