From the National Archives, RG 109, Ch. 6, Vol. 707-709; "Letters Received and Sent, Chimborazo Hospital. 1861-64." 3 Vols: Vol. 708. p. 41
Medical Directors Office 213 Main
Richmond Feby 7th 1863
Sir:
You are directed to forward to this Office without delay the names of Eight (8) Acting Assist Surgeons on duty in the Hospital under your charge. You will select the names of those, who, in your judgment are the least efficient, and from the different divisions, as follows
1st Division 1
2nd Division 3
3rd Division 3
5th Division 1
You will also report for duty in the field the names of two Assist Surgeons from the 1st Division, and two Assist Surgeons from the 4th.
Very Respectfully
Yr Obt Servt
Wm. A. Carrington
Surgeon & Act. Med. Director
Surg. J. B. McCaw
In charge Genl Hospl
Chimborazo