United States. Department of the Treasury. "Reduce Taxes - Pay Greenback Debt with Silver Surplus," in United States. Department of the Treasury. "Annual Report of the Secretary of the Treasury on the State of the Finances for the Year 1886, Volume I: Finance," Annual Report of the Secretary of the Treasury on the State of the Finances (1886) : 42-44. https://fraser.stlouisfed.org/title/194/item/5532/toc/339703 , accessed on March 28, 2024.