Philosophy and the Nature of Language.

Geschichte der Philosophie /

Philosophie : Marxistisch-leninistische Philosophie /

Philosophy of the history of philosophy : strong and weak models /

Philosophy of the history of philosophy : the main models and results /

Lehrbuch der Philosophie 1 Die Geschichte der Philosophie

Philosophy : the classic readings /

Philosophy : history and problems /

Zur Geschichte der Philosophie /

Philosophie : ein Lehrbuch /

Philosophy and culture /

Philosophy of structures. /

Philosophy of art /

The freedom philosophy

History of Philosophy. I, From Heraclitus to the Sophists /

History of philosophy. II, Plato and Aristotle /

Introduction to philosophy /

Living Philosophies /

Reports on philosophy. No. 10

Reports on philosophy. No. 13

Philosophy of language.