1 negative (3 frames) : glass, b&w, three-color separation 24 x 9 cm
Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-prokc-21730 (digital color composite from digital file from glass neg.) LC-DIG-prok-11730 (detail of digital file showing single frame from glass neg.) LC-DIG-prok-01730 (digital file from glass neg.), Call Number: LC-P87- 8004 [P&P] LOT 10338,
