Ross, Nellie Tayloe, 1876-1977. Letter From Asst. Secretary Bethea re Cooperation of Federal Reserve System with Regards to Return of Empty Coin Bags Requested by Director of the Mint, Number S-450, Volume 56, Page 166, . https://fraser.stlouisfed.org/archival/4957/item/509795, accessed on March 16, 2026.