Columbia subject headings:
Korea--History--Japanese occupation, 1910-1945.
Sound in motion pictures.
Sound motion pictures--Korea--History--20th century.
Harvard subject headings:
Korea--History--Japanese occupation, 1910-1945.
Sound in motion pictures.
Sound motion pictures--Korea--History--20th century.
Princeton subject headings:
Korea--Civilization--Japanese influences.
Motion pictures--Korea--History--20th century.
Sound in motion pictures.