Columbia subject headings:
Harvard subject headings:
Church and social problems--Germany (East)--History--20th century.
Civil rights workers--Germany (East)--Biography.
Civil rights--Germany (East)--Religious aspects--Christianity--History--20th century.
Princeton subject headings:
Church and social problems--Germany (East).
Civil rights workers--Germany (East)--Biography.
Civil rights--Germany (East)--Religious aspects--Christianity.