Columbia subject headings:
Germany--History--1945-1955--Sources.
Reconstruction (1939-1951)--Germany--Sources.
Ruhr (Germany : Region)--History--Sources.
Harvard subject headings:
Allied High Commission for Germany. Treaties, etc. 1949 November 22--History--Sources.
Germany (West)--Foreign relations--Sources.
Germany--History--1945-1955--Sources.
Reconstruction (1939-1951)--Germany--Sources.
Ruhr (Germany : Region)--History--Sources.
Princeton subject headings:
Germany (West)--Politics and government--Sources.
Germany--History--1945-1955--Sources.