Sunday!! Came again unawares upon me at Princeton. At 1 or 2 A. M. aroused to prepare to move. Moved off quietly; got off, again unmolested, to this point, viz., Bluestone River, Mercer County, Virginia. I hope this is the last of the retreat. We have [the] Thirty-fourth, Twenty-eight, Twelfth, Twenty-third, Thirtieth, Thirty-seventh O. V. I.; Second Virginia Cavalry; and Simmonds' and McMullen's Batteries. The enemy reported to have three thousand or so under General Heth and five thousand or so under General Humphrey Marshall. The numbers are nothing, but at present our communications can't well be kept up. All will soon be remedied under Fremont. Then, forward again! In the fights we have lost in our army, chiefly Thirty-seventh and Thirty-fourth, near one hundred killed, wounded, and prisoners.
SOURCE: Charles Richard Williams, editor, Diary and Letters of Rutherford Birchard Hayes, Volume 2, p. 271-2