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
James Gardner, 1864, Field Hospital, Second Army Corps, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 54], Albumen print, Lee Gallery, LL/13909