Altertum (Sprachtheorie) ; Antiquity (theory of language) ; Sociolinguistics, historical; Soziolinguistik, historische; Historical sociolinguistics ; Renaissance (theory of language) ; History of linguistics (19th century) ; History of linguistics (20th century) ; Applied linguistics ; Sprachattitüde; Linguizismus; Linguicism; Prestige; Sprachliche Unsicherheit; Linguistic insecurity ; Language and society ; Sprachenpolitik; Language management; Language politics ; Language variation/Dialectology