From the Mississippi Department of Archives and History Governor Pettus Collection. Report of the South Carolina government Sub-commission on Submarine Batteries, Torpedoes, and c., supporting a proposal for a steam-battering ram for naval vessels designed by William R. Scott and recommending that Scott's design be incorporated to ships under construction by the Confederate Navy at Charleston, South Carolina, or elsewhere in the Confederacy. The report is dated October 1862 and consists of meeting minutes, copies of letters from government officials and military officers, and Scott's description of the design. Also included is a note from Scott dated December 1862 that provides copies of two additional letters supporting his plans that he received after the sub-commission's report. (This document is the South Carolina Sub-commission report mentioned in mdah_409-397-02. This document is one of five documents in Series 409 that discuss William R. Scott's proposed plans for a steam-powered vessel. The other four documents are mdah_409-397-01, mdah_409-397-02, mdah_409-397-03, and mdah_409-397-05).

From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from Thomas Weldon at Yazoo City, Mississippi, to Mississippi Governor John J. Pettus asking that Miles T. Brown be detailed to work on a "war steamer." Moved to Box 25880.

From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from Henry Marshall to Mississippi Governor John Jones Pettus enclosing a letter by T. P. Hall that includes plans for a submarine boat.

From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from Letter from Natchez, Mississippi, by Confederate General Charles G. Dahlgren, offering his plan for defending the Mississippi RIver from United States Navy gunboats.

From the Mississippi Department of Archives and History Governor Pettus Collection. Petition from the officers of the Confederate 3rd Mississippi Infantry in Jackson, Mississippi, asking that they be sent to protect the Mississippi Coast.

From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from Thomas Weldon at Yazoo City, Mississippi, to Mississippi Governor John J. Pettus, asking that Miles T. Brown be detailed to work on construction of a "war steamer" commissioned by the Confederate government. Weldon's letter is witnessed by and sworn before justice of the peace M. A. Jenkins.