ConceptPlains Indian Sign LanguageAlso known asFlakte-Yndiaanske GebeartetaalGebärdensprache der Prärie-IndianerHand TalkHarshen Kurame na Indiyaindiana signolingvoindianernas teckenspråkarchival plate · Plains Indian Sign Language · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected toin countryUnited States1784 CE+ 6 further connections to entries not yet ingested