Language and power; Power and language; Dominance and language; Herrschaft und Sprache; Logocracy; Language ownership; Language and domination ; Sprachenpolitik; Language management; Language politics ; Areallinguistik; Geolinguistik; Geolinguistics; Linguistic geography ; Sprachenwahl; Language choice; Diglossia ; Minoritätensprache; Minority language ; Sprachentod; Extinct language; Language endangerment; Bedrohte Sprache; Linguicide; Linguizid; Language death ; Mundartforschung; Dialectology ; Language norm ; English ; Walisisch; Welsh