Here are entered works on small arms. Works on large guns such as cannons are entered under Ordnance. --subdivision Firearms under armies, navies, etc., e.g. United States. Army--Firearms; United States. Navy--Firearms
Here are entered works on large guns such as cannons. Works on small arms are entered under Firearms. --subdivision Ordnance and ordnance stores under armies and navies, e.g. United States. Army--Ordnance and ordnance stores