| Samuel A. Cooley [Unknown location. Wagons and camera of Sam A. Cooley, U.S. photographer, Department of the South] 1860 Wet collodion negative Library of Congress, Prints and Photographs Division Call Number: LC-B811- 4018A-1 [P&P], Reproduction Number: LC-DIG-cwpb-03519 (digital file from original neg.) LL/63700
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