Columbia subject headings:
Harvard subject headings:
Chinese characters--Classification--History.
Chinese language--Lexicography--History.
Xu, Shen, -120? Shuo wen jie zi.
Princeton subject headings:
Chinese characters--Classification.
Chinese language--Lexicography.
Chinese language--Semantics.
Kʻang-hsi tzu tien.
Xu, Shen, -120? Shuo wen jie zi.