From the National Archives, RG 109, Ch. 6, Vol. 707-709; "Letters Received and Sent, Chimborazo Hospital. 1861-64." 3 Vols: Vol. 708, p. 32
Chief Surgeon's Office
Hd. Qrs. Richmond Jany 31st 1863
Sir:
You are directed to order the nurses and attendants temporarily turned over to you from Genl Hospl No. 21, to report without delay to Surgeon Semple for duty in the Hospital under his charge.
Very Respectfully
Yr. Obt. Servt.
A. S. Mason
Chief Surgeon
Surg. J. B. McCaw
in charge Genl Hospl
Chimborazo