Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--1918-1933
Germany--Politics and government--1933-1945.
Ossietzky, Carl von, 1889-1938.
Princeton subject headings:
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.
Ossietzky, Carl von, 1889-1938.