12ポンドアームストロング砲
Treatise on the construction and manufacture of ordnance in the British service. War Office, UK, 1877
Text Book of Gunnery, 1902. LONDON: PRINTED FOR HIS MAJESTY'S STATIONERY OFFICE, BY HARRISON AND SONS, ST. MARTIN'S LANE
W.L. Ruffell, The RBL Armstrong 12-pr Field Gun
W.L. Ruffell, The Armstrong Gun. Part 5: British revert to Muzzle Loading
Major Darrell D. Hall, "Field Artillery of the British Army 1860-1960. Part I, 1860 - 1900" in The South African Military History Society. Military History Journal - Vol 2 No 4, December 1972
Alexander Lyman Holley, "A treatise on Ordnance and Armor" published by D Van Nostrand, New York, 1865