Haller, Stephen E. William Washington, Cavalryman of the Revolution. Heritage Books, Inc., 2019. ISBN: 0788418033.
256 pp. New. Paperback. 
The story of the Revolutionary War in the Carolinas has been incomplete without a biography of Lt. Col. William Washington, cousin of George Washington. William Washington belonged to a small cadre of key field officers who served with distinction in the Continental Army throughout the entire war...Washington was a gallant battlefield commander who personally led his men..." - publisher.