1939-1968 20thcentury 497 alcoholuse american americanliterature anthropologicallinguistics bilingualism biography canada care civilrights clyde codeswitching(linguistics) colonization diglossia(linguistics) druguse economicconditions education etc governmentpolicy governmentrelationsxhistory healing history historynationalindianyouthcouncil indianactivists indianauthors indians indiansofnorthamerica indianteenagers juveniledetentionhomes languagerevival languages languageshift laws legalstatus mentalhealthservices multilingualism multilingualistm nativepeoples nativeyouth navajoindians northamerica off-reservationboardingschools pictorialworks politicalactivity politicsandgovernment poncaindians portraits prevention residentialschools servicesfor socialaspects socialconditions sociallifeandcustoms suicidalbehavior teenagers'writings telecommunicationinmedicine treatmentof unitedstates violenceagainst warrior youths'writings