United States. Department of the Treasury. "Report of the Secretary of the Treasury on the Warehousing System," Annual Report of the Secretary of the Treasury on the State of the Finances (February 22, 1849). https://fraser.stlouisfed.org/scribd/?item_id=5495&filepath=/files/docs/publications/treasar/AR_TREASURY_1849.pdf, accessed on November 18, 2017.
Extracted from Reports of the Secretary of the Treasury of the United States... Vol. VI