Adjutant General File: 807 M 1868
National Archives Series: Letters Received, 1805 - 1889.
National Archives Record Group 94: Records of the Adjutant General's Office, 1762 - 1984
Microfilm publication: M619 Letters Received by the Office of the Adjutant General (Main Series), 1861-1870. Roll 639. Files 735-836 M