Columbia subject headings:
Cai, Lun, -121.
Chinese language--Writing.
Papermaking--China--History.
Papermaking--Japan--History.
Writing materials and instruments.
Harvard subject headings:
Cai, Lun, -121
Chinese language--Writing.
Papermaking--China--History.
Papermaking--Japan--History.
Writing materials and instruments
Princeton subject headings:
Cai, Lun, -121.
Chinese language--Writing.
Japanese paper.
Papermaking--China--History.
Papermaking--Japan--History.
Writing materials and instruments.