1. Libby Prison, the only picture in existence, as it appeared August 23, 1863 Date: 1882 approx. Format: Still image Access: Public
2. Lithograph of Andersonville Prison (Georgia). "Representing the imprisonment of 33,000 Union soldiers during the months of June, July, and August, 1864," sketched by John Burns Walker, Company G, 141st Regiment Creator: Walker, John Burns Date: 1865 Format: Still image Access: Public
3. Lithograph of Andersonville Prison (Georgia). “In June, July and August 1864, 33,000 Union prisoners were crowded on…21 acres," sketched by John Burns Walker, Company G, 141st Regiment Creator: Walker, John Burns Date: 1864 Format: Still image Access: Public