Classification
- WALS
- ST > Himalayish
- Glottolog
- Sino Tibetan > Himalayish > Mahakiranti > Kiranti > Thulung Tilung Koyi
- Ethnologue
- Sino Tibetan > Tibeto Burman > Westerntibeto Burman > Himalayan > Kiranti > Western
Sources
- Lahaussois 2009
- Koyi Rai: An Initial grammatical sketch. Himalayan Linguistics Archive 4. 1-33.