Columbia subject headings:
Feature films.
Foreign films.
German fiction--20th century--Film adaptations.
Motion pictures, German.
War films.
World War, 1939-1945--Motion pictures and the war.
World War, 1939-1945--Naval operations, German--Drama.
World War, 1939-1945--Naval operations--Submarine--Drama.
Harvard subject headings:
Boot (Motion picture)
Buchheim, Lothar Günther--Film and video adaptations.
Feature films.
Films for the hearing impaired.
Foreign films.
Motion pictures, German.
Submarine warfare--Drama.
Submarines (Ships)--Drama.
War films.
World War, 1939-1945--Naval operations, German--Drama.
World War, 1939-1945--Naval operations--Submarine--Drama.
Princeton subject headings:
Buchheim, Lothar Günther--Film and video adaptations.
Drama.
Feature films.
Submarine warfare--Drama.
Submarines (Ships)--Drama.
Video recordings.
World War, 1939-1945--Naval operations, German--Drama.
World War, 1939-1945--Naval operations--Submarine--Drama.