The dangers and defences of New York [microform] : addressed to the Hon. J.B. Floyd, secretary of war, by Major J.G. Barnard ... /
Barnard, J. G.(John Gross),1815-1882.
New York : D. Van Nostrand,
1859.
Sabin 3478.
Sabin Group 14.
Microfiche.
Fortification
Coast defenses
Civil defense