Ordnance and GunneryBruff
Test Book of Ordnance and GunneryIngersoll
Report on the Art of War in Europe—1854-1855-1856Col. R. Delafield, U.S.A.
Journal of the U.S. Artillery
The Scientific American
Specifications of the Bureau of Ordnance, U.S. Navy Department
Specifications of the Ordnance Department, U.S. Army
The de Zafra Improved Armor-Piercing Shell