Columbia subject headings:
Deutsche Zentrumspartei--History.
Germany--Boundaries.
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.
Harvard subject headings:
Deutsche Zentrumspartei--History.
Germany--Boundaries.
Germany--Politics and government--1918-1933
Germany--Politics and government--1933-1945.
Princeton subject headings:
Deutsche Zentrumspartei--History.
Germany--Boundaries.
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.