From the Mississippi Department of Archives and History Governor Alcorn Collection. Letter from Lowell and Brett to the Mississippi Adjutant General, about solicitation to produce engravings for the State of Mississippi and offering their services.

From the Mississippi Department of Archives and History Governor Alcorn Collection. Letter from H. M. Porter to Mississippi Governor James L. Alcorn's private secretary H. F. Hewson, asking Hewson to ask Mississippi Governor James L. Alcorn if the State of Mississippi will need any bonds produced from the National Bank Note Company.

From the Mississippi Department of Archives and History Governor Alcorn Collection. Letter from J. Macdonough of the National Bank Note Company in New York to General T. W. B. Henson, asking for more information on items sent to them to be engraved and printed so that the company can give Henson an estimate of cost.