Columbia subject headings:
Chinese language--East Asia--Spoken Chinese--History.
East Asia--Languages--History--18th century.
Okajima, Kanzan, 1674-1728. Tōwa san'yō.
Harvard subject headings:
Princeton subject headings:
Chinese language--History--18th century.
Chinese language--Japan--History--18th century.
Okajima, Kanzan, 1674-1728. Tōwa san'yō.