Zēng Tóng 曽穜, Southern Sòng compiler of the Dà Yì cuì yán 大易粹言 in seventy juàn — an anthology of seven Sòng commentators’ readings of the Xìcí, Shuōguà, Xùguà, and Záguà. The work was combined with 陳友文 Chén Yǒuwén’s Dà Yì jí yì 大易集義 by 徐乾學 Xú Qiánxué (named to 納喇性德 Nàlǎ Xìngdé) into the Kāngxī-period Hé dìng shān bǔ Dà Yì jí yì cuì yán (KR1a0139).