BBBBT:Glottolog
Revision as of 18:58, 2 October 2021 by imported>Kam (1 revision imported from wikipedia:en:Template:Glottolog)
Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.