Federal Reserve Bank of New York. "1031. Daylight Saving Time," Federal Reserve Bank of New York Circulars (April 20, 1931). https://fraser.stlouisfed.org/title/466/item/15767, accessed on April 19, 2024.
Federal Reserve Bank of New York. "1031. Daylight Saving Time," Federal Reserve Bank of New York Circulars (April 20, 1931). https://fraser.stlouisfed.org/title/466/item/15767, accessed on April 19, 2024.