Free for downloading, but very large files.
The Medical Department of the United States Army in the World War volume 7: Training (1926) - this has a section on the Army Medical School which spun off of the Army Medical Museum, and in turn spun off the Walter Reed Army Institute of Research, but whose role has been taken up by the Uniformed Services University of the Health Sciences in Bethesda.
A Catalogue of Surgeons' Instruments, Air and Water Beds, Pillows, and Cushions, Bandages, Trusses, Elastic Stockings, Inhalers, Galvanic Apparatus, and Other Appliances Used by the Medical Profession, Maw and Son, 1866
The Medical and Surgical History of the War of the Rebellion. Part III, Volume II. (3rd Surgical volume)