From the Mississippi Department of Archives and History Governor Pettus Collection. List of charges from the Southwestern Telegraph Company to Mississippi Governor John J. Pettus for telegrams sent in January 1861.

From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from A. B. Cammack at New Orleans, Louisiana, to Mississippi Governor John Jones Pettus requesting a permit to ship cotton on the New Orleans, Jackson, and Great Northern Railroad.