Columbia subject headings:
Germany--History--1848-1870.
Germany--Politics and government--1848-1870--Bibliography.
Germany--Politics and government--1848-1870.
Harvard subject headings:
Germany--History--1848-1870--History.
Germany--History--1848-1870.
Germany--Politics and government--1848-1870--Bibliography.
Germany--Politics and government--1848-1870.
Princeton subject headings:
Germany--History--1848-1870.
Germany--Politics and government--1848-1870--Bibliography.
Germany--Politics and government--1848-1870.