Columbia subject headings:
Fire control (Gunnery)--Equipment--Handbooks, manuals, etc.
Handbooks and manuals.
United States. Army--Ordnance and ordnance stores--Handbooks, manuals, etc.
Harvard subject headings:
Princeton subject headings:
Fire control (Gunnery)--Equipment--Handbooks, manuals, etc.
United States. Army. Ordnance and ordnance stores--Handbooks, manuals, etc.