Columbia subject headings:
Harvard subject headings:
Berding, Helmut--Criticism and interpretation.
Historiography--Germany--History--19th century.
Historiography--Germany--History--20th century
Historiography--Germany--History--21st century.
Princeton subject headings:
Berding, Helmut.
France--Relations--Germany.
Germany--History--1789-1900.
Germany--Relations--France.
Historiography.