[source: National Archives, record group 94, 91st Pennsylvania, regimental letter, order, furlough, and guard report book]
Head Quarters 91st Reg. Pa. Vols
Camp near Gum Springs Va. June 18th 1863
Capt. A. S. Marvin
Asst. Adjt. Genl.
Captain
I have the honor to report that Wm. G. Kier assigned to duty as Asst. Surg. in this Regiment by his Excellency Gov. Curtin of Penna. did report for duty June 12th 63 and assisted during the recent March from U.S. Ford. I respectfully request that he Be mustered into the Military service of the United States.
I am captainVery Respectfully Your Obedt Servt
Jos H. Sinex
Lt Col. Com