Unidentified photographer 1863, July [Gettysburg, Pa. Three Confederate prisoners]
Glass stereograph, two plates Library of Congress, Prints and Photographs Division Call Number/Physical Location: LC-B811- 2288 [P&P] LOT 4181 (corresponding photographic print), Control Number: 2018666315, Reproduction Number: LC-DIG-cwpb-01451 (digital file from original neg. of left half) LC-DIG-cwpb-01450 (digital file from original neg. of right half) LC-B8184-2288 (b&w film copy neg.)
