Jewett, M., Colonel. Letter, 1818 Sept. 23. 1 letter. Location: Misc.: J. In a letter to Colonel Benjamin W. Hopkins, Colonel M. Jewett writes from Washington D.C. about the profitability of the slave trade in New Orleans, La., and he comments on the military contract that would provide supplies to the military depot in New Orleans. For further information, see online catalog. Mss. 3775.