Influential commentary on the early Han dynasty dictionary Shuowen Jiezi, authored by the Qing dynasty philologist Gui Fu

The definitive Qing Dynasty commentary on the dictionary [[说文解字|說文解字|shuo1 wen2 jie3 zi4]] published in 1815 by Duan Yucai; a foundational work in Chinese historical linguistics and philology

A comprehensive reference work on the [[说文解字|說文解字|shuo1 wen2 jie3 zi4]] compiled by Ding Fubao; it collects research and commentaries from over 200 scholars and arranges them according to the character order in the original text.