Columbia subject headings:
France--History--Medieval period, 987-1515.
France--History--To 987.
Franks--France--History.
Germany--History--843-1273.
Werner, Karl Ferdinand, 1924-2008.
Harvard subject headings:
France--History--Medieval period, 987-1515.
France--History--To 987.
Franks--France--History.
Germany--History--843-1273.
Werner, Karl Ferdinand, 1924-2008.
Princeton subject headings:
France--History--To 987.
Germany--History--843-1273.
Germany--History--To 843.