cldf-datasets/wals: The World Atlas of Language Structures Online - Robert Forkel; Martin Haspelmath; Matthew Dryer (Zenodo, 2013)
Dryer, Matthew S. & Haspelmath, Martin (eds.) 2013. The World Atlas of Language Structures Online. Jena: Max Planck Institute for the Science of Human History. (Available online at https://wals.info)
Keywords: cc-by-4.0