Columbia subject headings:
Self-help (Law)--Germany--Herford--History.
Vendetta--Germany--Herford--History.
Harvard subject headings:
Self-help (Law)--Germany--Herford--History.
Vendetta--Germany--Herford--History.
Princeton subject headings:
Self-help (Law)--Germany--History.
Vendetta--Germany--Herford--History.
Vendetta--Germany--History.