Instruction (medium of) ; Medium of instruction ; Amtssprache; Official language; National language ; Identität und Sprache; Identity and language; Fremdheit und Sprache; Estrangement and language; Sprache und Integration; Integration und Sprache; Language and identity ; Sprachnationalismus; Nationalism (linguistic) ; Nationalismus (sprachlicher) ; Language and nationality ; Sprachenpolitik; Language management; Language politics ; Multilingualism; Polylingualism; Plurilingualism ; Language diffusion; Language shift; Sprachwechsel; Language spread ; Sprachbewahrung; Ethnolinguistic vitality; Vitality, ethnolinguistic; Sprachwechsel; Language shift; Heritage language; Language maintenance ; Mundartforschung; Dialectology ; Armenian ; Zypriotisches Griechisch; Cypriot Greek ; Kaló; Caló; Zigeunersprache; Vlach-Romanī; Tsigane; Gypsy language ; Arabic ; Turkish
