Columbia subject headings:
Harvard subject headings:
Germany (East)--History--Sources.
Heads of state--Germany (East)--Biography.
Spouses of heads of state--Germany (East)--Biography.
Ulbricht, Lotte.
Ulbricht, Walter, 1893-1973
Princeton subject headings:
Heads of state--Germany (East)--Biography.
Presidents' spouses--Germany (East)--Biography.
Ulbricht, Lotte.
Ulbricht, Walter, 1893-1973.