David Knox, 1864, August, Forge Scene, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 77], Albumen print, Lee Gallery, LL/13913
Alexander Gardner, 1862, October, Guides to the Army of the Potomac, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 28], Albumen print, Lee Gallery, LL/12694
Timothy H. O'Sullivan, 1865, May, Quarters of Men in Fort Sedgwick, Generally Known as Fort Hell, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 83], Albumen print, Lee Gallery, LL/14038