Columbia subject headings:
Franks--History.
Lothair I, Emperor, 795-855.
Harvard subject headings:
Carolingians--Biography.
France--History--To 987.
Franks--History
Germany--History--To 843.
Holy Roman Empire--Kings and rulers--Biography.
Lothair I, Emperor, 795-855.
Princeton subject headings:
Franks--History.
Lothair I, Emperor, 795-855.