Columbia subject headings:
Harvard subject headings:
Historiography--Germany--History--19th century.
Historiography--Germany--History--20th century
Rome--Historiography
Rome--History--Study and teaching--Germany.
Princeton subject headings:
Historiography--Germany--History--19th century.
Historiography--Germany--History--20th century.
Rome--Historiography.
Rome--History--Study and teaching--Germany.