Federal Reserve Bank of Dallas. "[Supplementing Circulars of March 6, 7, 8, 9, 10, 11, 13 and 14 - Additional Treasury Regulations Including Interpretation 10]," District Notices (Federal Reserve Bank of Dallas) (March 16, 1933). https://fraser.stlouisfed.org/title/5569/item/548829, accessed on February 1, 2025.