United States. Department of the Treasury. "Report of the Chief of the Bureau of Engraving and Printing," 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) : 809-820. https://fraser.stlouisfed.org/title/194/item/5539/toc/427955 , accessed on July 16, 2024.