Letters from Collectors of the Customs on the Subject of the Reduction of the Expenses Incurred in the Collection of the Revenue
United States. Department of the Treasury. "Letters from Collectors of the Customs on the Subject of the Reduction of the Expenses Incurred in the Collection of the Revenue," in United States. Department of the Treasury. "Report on the Finances, December 1849," Annual Report of the Secretary of the Treasury on the State of the Finances (1849) : 1781-1859. https://fraser.stlouisfed.org/title/194/item/5494/toc/132936 , accessed on April 25, 2024.