↑ 1.01.1The strength of the Union forces is estimated as "more than 12,000" by the National Park ServiceArchived 2013-02-12 at the Wayback Machine, 12,737 by Eicher, p. 345, and 14,000 by Bailey, p. 38, Kennedy, p. 113, Rafuse, p. 219, Robertson, p. 602, and Bodart, p. 527. The Confederate strength is estimated as 26,000 by Rafuse, p. 216, (Jackson 14,000, McLaws 8,000, Walker 4,000). Bailey, p. 38, estimates 21,000 ("7,000 more" than his Union estimate of 14,000). Robertson, p. 602, estimates 23,000.
↑ 2.02.1"Harpers Ferry". CWSAC Battle Summaries. National Park Service, U.S. Department of the Interior. Archived from the original on 1 August 2016. Retrieved 29 June 2016.