orig ines ▁today ▁who ▁recognize ▁a ▁common ▁descent ▁from ▁original ▁inhabitants ▁of ▁this ▁region -- ▁even ▁though ▁their ▁traditional ▁ident ifying ▁labels ▁have ▁been ▁lost ." ▁ ▁Sign ▁The ▁Y ar al de ▁had ▁the ▁southern most ▁att ested ▁Australian ▁Ab original ▁sign ▁language . ▁ ▁References ▁▁ ▁Ber nd t , ▁R . M . ▁( 1 9 4 0 ). ▁" Not es ▁on ▁the ▁sign - language ▁of ▁the ▁Jar al de ▁tribe ▁of ▁the ▁Lower ▁River ▁Murray , ▁South ▁Australia ", ▁ ▁( pp .   3 9 7 – 4 0 2 ; ▁repr int ed ▁( 1 9 7 8 ) ▁in ▁Ab original ▁sign ▁languages ▁of ▁the ▁Amer icas ▁and ▁Australia . '' ▁New ▁York : ▁Pl enum ▁Press , ▁vol . ▁ 2 ) ▁ ▁http :// dig ital . library . ad ela ide . edu . au / d space / bit stream / 2 4 4 0 / 1 5 0 7 4 / 1 / M ey er _ v oc . pdf ▁ ▁Category : Lower ▁Murray ▁languages ▁Category : N g arr ind jer i ▁Category : Ext inct ▁sign ▁languages <0x0A> </s> ▁W inst on ▁G iles ▁( born ▁ 2 6 ▁January ▁ 1 9 7 4 ) ▁is ▁an ▁Australian ▁music ian ▁( sing er , ▁song writer , ▁guitar ist ▁and ▁producer ). ▁He ▁has ▁released ▁many ▁albums ▁under ▁different ▁mon ik ers ▁including ▁At ari ▁Baby , ▁F loor ▁ 1 3 , ▁W