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Billings, John Shaw, Circular 4, Barracks and Hospitals with Descriptions of Military Posts 1870, War Department, Surgeon General's Office, 5 Dec 1870, Washington DC, Google Books
Billings, John Shaw, Circular 4, Barracks and Hospitals with Descriptions of Military Posts 1870, War Department, Surgeon General's Office, 5 Dec 1870, Washington DC, Google Books