Columbia subject headings:
Agricultural implements--Germany--Westphalia--History.
Tools--Germany--Westphalia--History.
Harvard subject headings:
Agricultural implements--Germany--Westphalia--History.
Tools--Germany--Westphalia--History.
Princeton subject headings:
Agricultural implements--Germany (West)--Westphalia--History.
Implements, utensils, etc.--Germany (West)--Westphalia--History.