An essay or treatise that presents an argument or line of reasoning; specifically refers to [[议论文|議論文|yi4 lun4 wen2]] in Mainland China

The first systematic and comprehensive dictionary of Chinese characters, compiled by [[许慎|許慎|xu3 shen4]] during the Eastern Han dynasty (around 121 AD); it established the system of 540 radicals to organize entries.

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.

An extensive collection of commentaries on the first Chinese dictionary, compiled by Ding Fubao during the early 20th century

Shuowen Tongxun Dingsheng, a major 18-volume work on Chinese philology by the Qing dynasty scholar Zhu Junsheng; it rearranges the characters from the [[说文解字|說文解字|shuo1 wen2 jie3 zi4]] according to ancient rhyme groups and analyzes their original meanings as well as their phonetic and semantic extensions.