孝經
There were earlier precedents of "The Twenty-four Filial Exemplars". A Buddhist "bianwen" titled "Ershisi Xiao Yazuowen" (), which was among the manuscripts discovered in Dunhuang's Mogao Caves, is the oldest extant text related to "The Twenty-four Filial Exemplars". During the Southern Song dynasty, the artist Zhao Zigu () drew a painting, "Ershisi Xiao Shuhua Hebi" (), about "The Twenty-four Filial Exemplars". During the Yuan dynasty, the scholar Xie Yingfang () mentioned in "Gui Chao Ji" () that a certain Wang Dashan () once praised "The Twenty-four Filial Exemplars" and the "Classic of Filial Piety". During the Qing dynasty, Wu Zhengxiu () mentioned in "Ershisi Xiao Gu Ci" () that the Twenty-four Filial Exemplars were very well known.