康有为
Other important sources for Dong Zhongshu's life and thought include his "fu" "The Scholar's Frustration", his biography included in the "Book of Han", his Yin Yang and stimulus-response theorizing noted at various places in the "Book of Han" "Treatise on the Five Elements," and the fragments of his legal discussions. Dong Zhongshu's theory of 'original qi' (yuanqi or 元氣), the five elements and on the development of history, were later adopted and modified by the late Qing reformer Kang Youwei in order to justify his theories of progress via political reform. (See Kang Youwei 1987: Kang Youwei Quanji: Volumes one and Two. Shanghai Guji Chubanshe). It has been questioned, however, how correctly Kang Youwei understood Dong Zhongshu's thought. (Kuang Bailin 1980: Kang Youwei de zhexue sixiang. Beijing: Zhongguo shehui kexue chubanshe).