United States Congress (1820). United States Statutes at Large. Act of March 6, ch. 23, vol. 3. ص. 545–548. مؤرشف من الأصل في 2019-12-13. اطلع عليه بتاريخ 2006-08-09.
United States Congress (1820). United States Statutes at Large. Act of March 6, ch. 23, vol. 3. ص. 545–548. مؤرشف من الأصل في 2019-12-13. اطلع عليه بتاريخ 2006-08-09.