DigitalArchivalResource
Record Group 94: Records of the Adjutant General's Office, 1762 - 1984 Series: Letters Received, 1805 - 1889 File Unit: 1863 - Casey, Silas - File No. C471
https://catalog.archives.gov/id/85643176
eng, Latn
National Archives at Washington, D.C
SNAC Resource ID: 11654119