52nd Regt VA Vols
Co B (1) - McDowell Guard, enlisted July 10, 1861, for one year; detached from 52nd Regt and constituted a light battery company, by par 4, S.O. No. 165, A&IGO, dated September 28, 1861; finally became Capt William K. Donald's Battery Virginia Light Artillery or Rockbridge Artillery No. 2; company mustered on roll July 10-Oct 31, 1861 as Captain Jon Miller's Artillery, later Co B, 52nd Regt Va Vols

Co B (2) - Capt William Long's Co; enlisted July 15, 1861, for one year in State service; reorganized May 1, 1862 for three years in Confederate States service. Captains: William Long, Andrew Jackson Thompson [ret. Dec 8, 1864]

A Guide to Virginia Military Organizations, 1861-1865, Lee A. Wallace, Jr.