Forschungsgeschichte; History of linguistics ; Theory of language (earlier periods) ; Ideologie und Sprache; Ideology and language; Ideology and linguistics; Ideologie und Sprachwissenschaft; Language and ideology ; Comparative linguistics; Komparatistik; Indogermanistik; Indoeuropäische Sprachwissenschaft; Indoeuropean linguistics; Proto-Indo-European; Historical comparative linguistics ; Lexicography ; Pragmatic information (in dictionaries)
