Columbia subject headings:
Harvard subject headings:
Chinese characters--Japan--History.
Japanese language--Writing--History
Japanese language--Writing--Manʼyōgana.
Man'yōshū.
Writing--History
Writing--Japan--History.
Written communication--Japan--History.
Princeton subject headings:
Chinese characters--Japan--History.
Japanese language--Writing--History.
Japanese language--Writing--Manʾyōgana.
Man'yōshū.
Writing--History.
Writing--Japan--History.
Written communication--Japan--History.