Sprachenzählung; Demography (linguistics) ; Language census ; Sociodialectology ; Identität und Sprache; Identity and language; Fremdheit und Sprache; Estrangement and language; Sprache und Integration; Integration und Sprache; Language and identity ; Areallinguistik; Geolinguistik; Geolinguistics; Linguistic geography ; Phonemwandel; Sound change (phonem.) ; Sprachwandel (phonem.) ; Language change (phonem.) ; Allophonic change; Sound change (phonet.) ; Language change (phonet.) ; Sprachwandel (phonet.) ; Phonological change ; Language change ; Dialektmischung; Dialect mixing; Dialect formation; Dialect leveling; Dialect loss ; Mundartforschung; Dialectology ; Regional language ; Ortssprache; Local language; Urban language ; German ; Oberfränkisch; Mainfränkisch; East Franconian