| George A. Otis Photograph No. 36: Partially Consolidated Gunshot Fracture of the Upper Third of the Left Femur. Private Christian Holzworth, Co. B, 20th Indiana Volunteers 1867 (after) Book plate Internet Archive LL/55549 George A. Otis, 1865, Photographs of Surgical Cases and Specimens, (Washington: Surgeon General's Office)
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