Indian SignLanguage,PISL;法語:Langue des Signes Indienne des Plaines;西班牙語:Lenguaje de Signos Indio de las Llanuras),又称平原手语、平原手势谈话(Plains Sign Talk)或第一民族手语(First
Martin; Bank, Sebastian (编). Korean SignLanguage. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016. 수화언어, 한국어와 대등한 공용어로 인정