CLDF dataset derived from Zhao's "Investigations of Zhaozhuang Bai" from 2006
Zhao, Yanzhen (2006): Zhàozhuāng Báiyǔ miáoxiě yánjiū 趙莊白語描寫研究 [Investigations of Zhaozhuang Bai]. Běijīng: Zhōngyāng Mínzú Dàxué.