Columbia subject headings:
Language and languages--Philosophy.
Liebrucks, Bruno, 1911-1986.
Harvard subject headings:
Language and languages--Philosophy
Language and languages--Philosophy--History--20th century
Liebrucks, Bruno, 1911- Sprache und Bewusstsein.
Liebrucks, Bruno, 1911---Criticism and interpretation.
Liebrucks, Bruno, 1911-1986--Criticism and interpretation.
Liebrucks, Bruno, 1911-1986. Sprache und Bewusstsein.
Princeton subject headings: