Columbia subject headings:
Russian Germans--History--Sources.
Russian Germans--Legal status, laws, etc.
Harvard subject headings:
Germans--Russia--History--Sources.
Germans--Russia--Legal status, laws, etc.--Sources.
Germans--Soviet Union--History--Sources.
Germans--Soviet Union--Legal status, laws, etc.--Sources.
Princeton subject headings:
Germans--Russia--History--Sources.
Germans--Russia--Legal status, laws, etc.--Sources.
Germans--Soviet Union--History--Sources.
Germans--Soviet Union--Legal status, laws, etc.--Sources.