Columbia subject headings:
Harvard subject headings:
Germany (East)--Biography--Congresses.
Germany (East)--History--Congresses.
Germany (East)--History--Personal narratives--Congresses.
Germany (East)--History--Sources.
Germany (East)--History.
Princeton subject headings:
Germany (East)--Biography--Congresses.
Germany (East)--History--Congresses.
Germany (East)--History--Personal narratives--Congresses.
Personal narratives.