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
Alexander Gardner, 1862, October, President Lincoln on Battlefield of Antietam, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 23], Albumen print, Lee Gallery, LL/12440