Biographien; Biographies ; ÖGS; Austrian Sign Language ; Deafhood; Deaf culture; Gehörlosenkultur; Deaf studies; Language and culture (sign language) ; Barrierefreiheit; Communication access; Communication barrier; Exklusion (Soziolinguistik) ; Exclusion (sociolinguistics) ; No Child Left Behind Act; Inclusion/Exclusion (sociolinguistics) ; Sprachenpolitik; Language management; Language politics