Columbia subject headings:
Harvard subject headings:
Germany (East)--Politics and government--Sources.
Heads of state--Germany (East)--Correspondence.
Honecker, Erich--Correspondence.
Politicians--Germany (East)--Correspondence.
Ruppert, Eva, 1933-2016--Correspondence.
Princeton subject headings:
Germany (East)--Politics and government--Sources.
Heads of state--Germany (East)--Correspondence.
Honecker, Erich--Correspondence.
Politicians--Germany (East)--Correspondence.
Ruppert, Eva, 1933-2006--Correspondence.