From the National Archives, RG 109, Ch. 6, Vol. 707-709; "Letters Received and Sent, Chimborazo Hospital. 1861-64." 3 Vols: Vol. 708, p. 112
Medical Director's Office
Richmond, April 20th 1863
Sir,
You are hereby informed that the Medical Director's Office has been removed from No 213 Main St to the rooms on 9th, Second door from the Mechanic's Institute, which have been hitherto occupied by the Commissary Genl, C. S. A.
Very Respectfully
Your Obt Servt
Wm. A. Carrington
Med. Director
Surgn in Charge
Chimborazo Hospital