Barnard, J. G. 1. (1862). Letter to the editors of the National intelligencer: In answer to the charges against the United States Military academy in the report of the of the secretary of war, of July, 1861. New York: D. Van Nostrand.

Barnard, J. G. 1815-1882. Letter to the Editors of the National Intelligencer: In Answer to the Charges against the United States Military Academy in the Report of the of the Secretary of War, of July, 1861. New York: D. Van Nostrand, 1862.

Barnard, J. G. 1815-1882. Letter to the Editors of the National Intelligencer: In Answer to the Charges against the United States Military Academy in the Report of the of the Secretary of War, of July, 1861. New York: D. Van Nostrand, 1862.