Columbia subject headings:
Harvard subject headings:
Eberle, Edward W. (Edward Walter), 1864-1929.
Gerber, Fritz.
Seafaring life--Switzerland--Biography.
Ship captains--Switzerland--Biography.
Shipyards--Switzerland--History.
Tschudi, Henry Felix.
Princeton subject headings:
Eberle, Edward W. (Edward Walter), 1864-1929.
Gerber, Fritz, 1895-1952.
Ship captains--Switzerland--Biography.
Tschudi, Henry Felix, 1926-