From the National Archives, RG 109, Ch. 6, Vol. 707-709; "Letters Received and Sent, Chimborazo Hospital. 1861-64." 3 Vols: Vol. 708, p. 15
Chief Surgeon's Office
Hd. Qrs. Richmond Jany 17th 1863
Sir:
You are respectfully informed that Surgeon Semple, in charge of Genl Hospl No. 21, has been instructed to turn over to you for temporary duty, all the nurses and attendants in his Hospital. You will retain them until further instructions.
Very Respectfully
Yr. Obt. Servt.
A. S. Mason
Chief Surgeon
Surg. J. B. McCaw
in charge
Chimborazo Hospital