Federal Reserve Bank of New York. "249. Par Point Map," Federal Reserve Bank of New York Circulars (January 26, 1920). https://fraser.stlouisfed.org/title/466/item/14999, accessed on April 19, 2024.
Federal Reserve Bank of New York. "249. Par Point Map," Federal Reserve Bank of New York Circulars (January 26, 1920). https://fraser.stlouisfed.org/title/466/item/14999, accessed on April 19, 2024.