A comprehensive sketch of the Battle of Manassas, or, Second Battle of Bull Run : giving a brief account of one of the most important engagements of the late Civil War, illustrated ; [by Theo. Poilpot] (1886)
Washington, D.C. : Published by the Manassas Panorama Co. · leaf 6
Bull Run, 2nd Battle of, Va., 1862
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.