Report of the Secretary of War: being a part of the message and documents communicated to the two Houses of Congress at the beginning of the second session of the Forty-sixth Congress. - United States. (G.P.O., 1879)
v. 2, pt.1. Report of the Chief of Engineers.--v.2, pt. 2. Appendixes to the Report of the Chief of Engineers.--v. 4 Annual report of the Chief Signal-Officer to the Secretary of War.