Columbia subject headings:
Franks--Belgium--History.
Franks--Netherlands--History.
Netherlands--History--To 1384.
Harvard subject headings:
Franks--Belgium--History.
Franks--Netherlands--History.
Netherlands--History--To 1384.
Princeton subject headings:
Franks--Belgium--History.
Franks--Netherlands--History.
Netherlands--History--To 1384.