Colin Denny, a deaf Navajo man, will be using both American Sign Language (ASL) and Plains Indian Sign Language (PISL), which was once so common across the Great Plains that it was a "lingua ...

Aspen Decker and her daughter, Maninłp Xʷełx̣ƛ̓cin, teach Plains Indian Sign Language to a fourth-grade class at Chief Charlo Elementary in Missoula, Mont., on March 1, 2022.

Troy Kotsur, Justina Miles and Colin Denny perform in American Sign Language and Plains Indian Sign Language at the Super Bowl LVII pregame show at State Farm Stadium in Glendale, Ariz., on Sunday.

Last week, fluent sign-talkers from tribes across Montana and surrounding states gathered on the Northern Cheyenne Reservation for the first Plains Indian sign language conference in 80 years.

Students at Chief Charlo Elementary recently learned over 20 different signs from Plains Indian Sign Language through an initiative grant impacting education across the Missoula County district ...

Object Details Author Tomkins, William Notes "A cultural attainment of the first American"--cover. Together with a simplified method of study, a list of words in most general use, a codification of ...

CC0 Usage Conditions ApplyClick for more information. A paper of this title is listed in Second Pan American Scientific Congress, the Final Act, Washington, 1916, as having been read at the Second Pan ...

Denny will also use a mix of American Sign Language and American Indian Sign Language to sign “American the Beautiful” during the 2023 Super Bowl pregame show on Sunday in Glendale.

Troy Kotsur, Justina Miles and Colin Denny perform in American Sign Language and Plains Indian Sign Language at the Super Bowl LVII pregame show at State Farm Stadium in Glendale, Ariz., on Sunday.