Columbia subject headings:
Harvard subject headings:
Germany (East)--Politics and government.
Grotewohl, Otto, 1894-1964.
Sozialistische Einheitspartei Deutschlands.
Statesmen--Germany (East)--Biography.
Princeton subject headings:
Germany (East)--Politics and government.
Grotewohl, Otto, 1894-1964.
Sozialistische Einheitspartei Deutschlands.
Statesmen--Germany (East)--Biography.