平原印第安人手语(英語:Plains Indian Sign Language,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
Krishna Autar Agrawal: Reflections on IndianEnglish literature (2002), page 163: "Some of the words in AmericanEnglish have spelling pronunciation and also
through Hindi from the Central Institute of Indian Languages(英语:Central Institute of Indian Languages). English to Gujarati Dictionary (页面存档备份,存于互联网档案馆)