Forschungsgeschichte; History of linguistics ; Enlightenment (theory of language) ; Idealism (philosophy) ; Renaissance (theory of language) ; Tiersprache; Animal communication; Vogelgesang; Birdsong; Zoosemiotics ; Category (theory of grammar) ; Sprache und Denken; Language and thought; Sprachliches Relativitätsprinzip; Denken und Sprache; Relativity (linguistic) ; Wahrnehmung und Sprache; Perception and language; Sapir-Whorf hypothesis; Linguistic relativity ; Philosophy of language ; Category (theory of language) ; Plérémique; Sign (linguistic) ; Linguistic sign
