Bibliographies ; History of linguistics (19th century) ; Language teaching ; Grammaticography ; Ideologie und Sprache; Ideology and language; Ideology and linguistics; Ideologie und Sprachwissenschaft; Language and ideology ; Lexikologie (Theorie) ; Lexicological theory; Theory (lex.) ; Word classes ; Morphologie (Theorie) ; Morphological theory; Theory (morph.) ; Syntax (Theorie) ; Syntactic theory; Theory (synt.)