Columbia subject headings:
Submarines (Ships)
Triton (Submarine)
Voyages around the world.
Harvard subject headings:
Beach, Edward L. (Edward Latimer), 1918-2002.
Triton (Submarine)
Voyages around the world--History--20th century.
Princeton subject headings:
Submarines (Ships)
Triton (Submarine)
Voyages around the world.