Lehrbuch; Arbeitsbuch; Course book; Textbook; Workbook; Übungsbuch; Introductions (to linguistics) ; History of linguistics (20th century) ; Sociolinguistics ; Sprachattitüde; Linguizismus; Linguicism; Prestige; Sprachliche Unsicherheit; Linguistic insecurity ; Sociolect ; Sociology of translation; Language and social studies ; Sprachenpolitik; Language management; Language politics
