Columbia subject headings:
Chinese language--Social aspects.
Li, Lüyuan, 1707-1790--Language.
Li, Lüyuan, 1707-1790. Qi lu deng.
Harvard subject headings:
Li, Lüyuan, 1707-1790--Language.
Li, Lüyuan, 1707-1790. Qi lu deng.
Sociolinguistics--China.
Princeton subject headings:
Li, Lüyuan, 1707-1790--Language.
Li, Lüyuan, 1707-1790. Qi lu deng.
Sociolinguistics--China.