Columbia subject headings:
Harvard subject headings:
Germany--Historiography--Congresses.
Historiography--History--Congresses.
Historiography--Moral and ethical aspects--Congresses.
History--Philosophy--Congresses
National socialism--Congresses.
National socialism--Historiography--Congresses.
Princeton subject headings:
Germany--Historiography--Congresses.
Historiography--History--Congresses.
National socialism--Congresses.