Columbia subject headings:
Korea--History--Japanese occupation, 1910-1945.
School field trips--Korea--History--20th century.
Tourism--Government policy--Korea--History--20th century.
Tourism--Korea--History--20th century.
Harvard subject headings:
Princeton subject headings:
Korea--History--Japanese occupation, 1910-1945.
School field trips--Korea--History--20th century.
Tourism--Korea--History--20th century.