| George A. Otis Photograph Series No. 48: United Gunshot Fracture of the Upper Third of the Left Femur. Private Thomas L. Delap, Co. B, 32d Wisconsin Volunteers 1867 (after) Book plate Internet Archive LL/55542 George A. Otis, 1865, Photographs of Surgical Cases and Specimens, (Washington: Surgeon General's Office)
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