Columbia subject headings:
Harvard subject headings:
Hobbies--Korea--History--20th century.
Recreation--Korea--History--20th century.
Princeton subject headings:
Hobbies--Korea--History--20th century.
Hobbies--Social aspects--Korea--20th century.
Korea--Social life and customs--20th century.
Leisure--Korea--History--20th century.
Recreation--Korea--History--20th century.