Columbia subject headings:
Atlantic Ocean.
Ocean travel--History.
Harvard subject headings:
Atlantic Ocean--Description and travel.
Ocean liners--Atlantic Ocean--History--19th century.
Ocean liners--Atlantic Ocean--History--20th century.
Passenger ships--Atlantic Ocean--History--19th century.
Passenger ships--Atlantic Ocean--History--20th century.
Transatlantic voyages--History--20th century.
Wodehouse, P. G. (Pelham Grenville), 1881-1975
Princeton subject headings: