Sprachenzählung; Demography (linguistics) ; Language census ; Deaf education; Bicultural education (Deaf education) ; Bilingual education (Deaf education) ; Sprachenpolitik; Language management; Language politics ; History of language ; Einfluss von Sprachen aufeinander; Sprachberührung; Areallinguistik; Languages in contact ; Bilingualism, bimodal; Bimodal bilingualism ; Multilingualism; Polylingualism; Plurilingualism ; Minoritätensprache; Minority language ; Switzerland (German language in) ; Schweiz (dt. Sprache in der) ; Deutsch in der Schweiz; German in Switzerland; Swiss German ; Arpitan; Franco Provençal ; Schweiz (fr. Sprache in der) ; Switzerland (French language in) ; French in Switzerland ; Schweiz (it. Sprache in der) ; Switzerland (Italian language in) ; Italian in Switzerland ; Rhaeto-Romance
