Plateau Sign Language, or Old Plateau Sign Language, is a poorly attested, extinct sign language historically used across the Columbian Plateau. The Crow...

Plains Sign languages: Prairie Hand Talk Onʌyota'a:ká Sign Language Plateau Sign languages: ʾa·qanⱡiⱡⱡitnam Secwepemcékst Salishan languages: Éy7á7juuthem...

Plains Indian Sign Language (PISL), also known as Hand Talk or Plains Sign Language, is an endangered language common to various Plains Nations across...

Sign languages (also known as signed languages) are languages that use the visual-manual modality to convey meaning, instead of spoken words. Sign languages...

unknown. Plateau Sign Language is another trade pidgin that may have become a separate language, Plateau Sign Language replaced Plains Sign Talk in the...

Hawaiʻi Sign Language or Hawaiian Sign Language (HSL; Hawaiian: Hoailona ʻŌlelo o Hawaiʻi), also known as Hoailona ʻŌlelo, Old Hawaiʻi Sign Language and Hawaiʻi...

American Sign Language (ASL) is a natural language that serves as the predominant sign language of deaf communities in the United States and most of Anglophone...

Martha's Vineyard Sign Language (MVSL) was a village sign-language that was once widely used on the island of Martha's Vineyard from the early 18th century...

syllabics. Inuit Sign Language (IUR, Inuktitut: Inuit Uukturausingit ᐃᓄᐃᑦ ᐆᒃᑐᕋᐅᓯᖏᑦ) is one of the Inuit languages and the indigenous sign language of the Inuit...

Indigenous languages like Keresan Sign Language and Plateau Sign Language, the latter of which is now extinct (though Ktunaxa Sign Language is still used)...