Columbia subject headings:
Harvard subject headings:
Germany (East)--Foreign relations.
Germany (East)--Politics and government.
Nationalism and socialism--Germany (East)
Sozialistische Einheitspartei Deutschlands.
Princeton subject headings:
Germany (East)--Foreign relations.
Germany (East)--Politics and government.
Nationalism and socialism--Germany (East).
Sozialistische Einheitspartei Deutschlands.