Columbia subject headings:
Baden (Germany)--Politics and government--Sources.
Prussia (Germany)--Politics and government--1870-1947--Sources.
Harvard subject headings:
Baden (Germany)--Politics and government--Sources.
Prussia (Germany)--Politics and government--1870-1947--Sources.
Princeton subject headings:
Baden (Germany)--Foreign relations--Germany--Prussia.
Baden (Germany)--Politics and government--Sources.
Germany--Politics and government--1871-1918.
Prussia (Germany)--Foreign relations--Germany--Baden.