Valley of the Shadow: 16th and 21st Pa. Cav. Official Records

Appomattox Courthouse: The 16th and 21st Pa. Cav.

Second Brigade
Second Division
Cavalry Corps
Army of the Potomac

Official Records of the War of Rebellion
Index to Reports and Correspondence

Report of Col. Samuel B. M. Young, Fourth Pennsylvania Cavalry, commanding Second Brigade.
Report of Bvt. Maj. Gen. Wesley Merritt, U. S. Army, commanding Cavalry, Army of the Shenandoah.
Report of Maj. Gen. George Crook, U. S. Army, commanding Second Division, Army of the Potomac.
Reports of Maj. Gen. Philip H. Sheridan, U. S. Army, commanding Cavalry.