This dataset comes from the supplementary data of Szeto & Yurayong (2021):
Szeto, Pui Yiu & Yurayong, Chingduang. 2021. Sinitic as a typological sandwich: Revisiting the notions of Altaicization and Taicization. Linguistic Typology 25(3). 551–599. (doi:10.1515/lingty-2021-2074)
The following CLDF datasets are available in cldf: