Classification
- WALS
- TK > Kam Tai
- Glottolog
- Tai Kadai > Kam Tai > Daic Beic > Daic > Central Southwesterntai > Wenma Southwesterntai > Sapa Southwesterntai > Southwesterntai > Southwesterntaip > Shanic > Sukaphic > Assamtaib
- Ethnologue
- Kra Dai > Kam Tai > Tai > Southwestern
Sources
- Grierson 1904
- Mōn-Khmēr and Siamese-Chinese families (Including Khassi and Tai) (Linguistic Survey of India II). Calcutta: Office of the Superintendent of Goverment Printing.