Columbia subject headings:
Harvard subject headings:
Flohr, Dieter--Travel.
Germany (East). Volksmarine--History--20th century.
Greif (Ship)--Anecdotes.
Ocean travel--Anecdotes.
Seafaring life--Germany (East)--Anecdotes.
Training-ships--Germany (East)--History--20th century.
Princeton subject headings:
Anecdotes.
Flohr, Dieter--Travel.
Germany (East). Volksmarine--History--20th century.
Greif (Ship)--Anecdotes.
Ocean travel--Anecdotes.
Seafaring life--Germany (East)--Anecdotes.
Training-ships--Germany (East)--History--20th century.