Timothy H. O'Sullivan, 1863, July, A Harvest of Death, Gettysburg, Pennsylvania, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 36], Albumen print, Lee Gallery, LL/14027
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
Timothy H. O'Sullivan, 1862, Signal Tower on Elk Mountain, Mayland, Overlooking Battlefield of Antietam, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 22], Albumen print, Lee Gallery, LL/14023
David Knox, 1864, October, Mortar Dictator, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 75], Albumen print, Lee Gallery, LL/13912