United States. Department of the Treasury. "Report of the Director of the Mint," in United States. Department of the Treasury. "Annual Report of the Secretary of the Treasury on the State of the Finances for the Year 1893," Annual Report of the Secretary of the Treasury on the State of the Finances (1893) : 270-481. https://fraser.stlouisfed.org/title/194/item/5539/toc/427952 , accessed on March 28, 2024.