Columbia subject headings:
Baden (Germany)--History--Sources.
Baden (Germany)--Politics and government--Sources.
Harvard subject headings:
Baden-Württemberg (Germany)--Politics and government--Sources.
Catholic Church--Germany--Baden-Württemberg--History--Sources.
Deutsche Zentrumspartei--History--Sources.
Germany--Politics and government--1871-1918--Sources.
Princeton subject headings:
Baden (Germany)--Politics and government--Sources.
Catholic Church--Germany (West)--Baden--Sources.
Deutsche Zentrumspartei--Sources.