Timothy H. O'Sullivan, 1863, July, Interior of Breastworks on Round Top, Gettysburg, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 38], Albumen print, Lee Gallery, LL/14029
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, 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
James Gardner, 1864, December, Ruins of Norfolk Navy Yard, VA, [Gardner's Photographic Sketch Book of the War. Incidents of the War, pl. 18], Albumen print, Lee Gallery, LL/12438
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
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