Classification
- WALS
- NC > Kru
- Glottolog
- Kru > Greaterwesternkru > Westernkru > Grebo Aizi > Grebo > Liberiangrebo
- Ethnologue
- Niger Congo > Atlantic Congo > Volta Congo > Kru > Western > Grebo > Liberian
Sources
- Innes 1966
- An Introduction to Grebo. London: School of Oriental and African Studies, University of London.