Thomas B. Edelin, appointed a 2nd Lieutenant in the Army of the United States, June 11, 1855 at Norfolk, Virginia, 2nd Lieutenant, 7th Infantry, Fort Arbuckle, C. N., October 1, 1856
Washington City, D. C. May 23, 1861
I have the honor to resign my Commission as 1st Lieutenant in the 7th Regiment, United States Infantry.
/s/ T. B. Edelin, 1st Lt. 7th Inf.
M567: Letters Received by the Office of the Adjutant General Main Series 1822-1860 NARA