Columbia subject headings:
Harvard subject headings:
Japan--History--20th century--Study and teaching--Korea.
Japan--History--Textbooks.
Korea--History--20th century--Study and teaching--Japan.
Korea--History--Textbooks.
Princeton subject headings:
Japan--History--20th century--Study and teaching--Korea.
Japan--History--Textbooks.
Korea--History--20th century--Study and teaching--Japan.
Korea--History--Textbooks.
Textbooks.