HEAD, Capt. GEORGE E.—A New System of Fortifications.

Illustrated. 4to, paper. 50

HEAVY ARTILLERY TACTICS: 1863.

Instructions for Heavy Artillery; prepared by a Board of Officers, for the use of the Army of the United States. With service of a gun mounted on an iron carriage, and 39 plates. 12mo, cloth 1 00

HENRICI, OLAUS.—Skeleton Structures, especially in their application to the Building of Steel and Iron Bridges.

With folding plates and diagrams. 8vo, cloth 1 50

HENRY, GUY V.—Military Record of Civilian Appointments in the United States Army.

2 vols. 8vo, cloth 10 00

HETH, Capt. HENRY.—System of Target Practice.

For the Use of Troops when armed with the Musket, Rifle-Musket, Rifle, or Carbine. Prepared principally from the French. 18mo, cloth 50