Columbia subject headings:
Harvard subject headings:
Germany (East)--History--Sources.
Germany (East)--History.
Jehovah's Witnesses--Nazi persecution--History.
Jehovah's Witnesses--Persecutions--Soviet Union--History.
National socialism--History.
Soviet Union--History--Sources.
Soviet Union--History.
Princeton subject headings:
Germany (East)--History--Sources.
Germany (East)--History.
Jehovah's Witnesses--Nazi persecution--History.
Jehovah's Witnesses--Persecutions--Soviet Union--History.
National socialism--History.
Soviet Union--History--Sources.
Soviet Union--History.