United States. Department of the Treasury. "Report of the Comptroller of the Currency," in United States. Department of the Treasury. "Annual Report of the Secretary of the Treasury on the State of the Finances for the Year 1871," Annual Report of the Secretary of the Treasury on the State of the Finances (1871) : 86-116. https://fraser.stlouisfed.org/title/194/item/5515/toc/384489 , accessed on May 9, 2024.