Of the numerous hospitals in Petersburg, only is there one Record of Patients for the period of his death, Sept. 15, 1862.
That is the "General Hospital (Petersburg)" which is in the National Archives, Record Group 109, which contains a register of patients , 1861-65 (ch. VI, vols. 265, 270, and 273)
The Confederacy, A Guide to the Archives of the Government of the Confederate States of America, Henry Putney Beers,
National Archives and Records Administration, Washington, DC, 1986, p. 194