United States. Department of the Treasury. "Shall the United States Propose More Conferences," 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) : 33-34. https://fraser.stlouisfed.org/title/194/item/5532/toc/339695 , accessed on May 5, 2024.