Columbia subject headings:
Harvard subject headings:
Germany (East)--History--Uprising, 1953--Congresses.
Germany (East)--History--Uprising, 1953.
Working class--Political activity--Germany (East)--History--20th century.
Princeton subject headings:
Germany (East)--History--Uprising, 1953.
Working class--Germany (East)--Political activity--History--20th century.