Columbia subject headings:
Great Britain. Army--Ordnance and ordnance stores--History--17th century.
Great Britain. Board of Ordnance--History.
Harvard subject headings:
England and Wales. Board of Ordnance--History.
Great Britain. Army--Ordnance and ordnance stores--History--17th century.
Princeton subject headings:
Great Britain. Army--Ordnance and ordnance stores--History--17th century.
Great Britain. Board of Ordnance--History.