Columbia subject headings:
Harvard subject headings:
Germany--History--20th century--Historiography.
Holocaust, Jewish (1939-1945)--Historiography
Poland--Historiography
Poland--History--20th century--Historiography.
Princeton subject headings:
Germany--History--20th century--Historiography.
Holocaust, Jewish (1939-1945)--Historiography.
Poland--Historiography.
Poland--History--20th century--Historiography.