Part 1. Introduction 1. On the Sociology of Knowledge Dispute Volker Meja and Nico Stehr Part 2. The Sociology of Knowledge: Early Statements 2. The Sociology of Knowledge: Formal and Material Problems Max Scheler 3. The Ideological and Sociological Interpretation of Intellectual Phenomena Karl Mannheim Part 3. The Sociology of Knowledge Dispute 4. Competition as a Cultural Phenomenon Karl Mannheim 5. Discussion of Karl Mannheim’s ‘Competition’ Paper at the Sixth Congress of German Sociologists (Zurich, 1928) Alfred Weber, Werner Sombart, Robert Wilbrandt, Emil Lederer, Adolph Lowe, Alfred Meusel, Norbert Elias, Hans Jonas, Paul Eppstein. Summary statement by Karl Mannheim. 6. On Ideology and Utopia Paul Tillich 7. Sociology – and its Limits Ernst Robert Curtius 8. Problems of Sociology in Germany Karl Mannheim 9. The Sociological method and the Problem of Truth Herbert Marcuse 10. A New Concept of Ideology? Max Horkheimer 11. The Sociology of Knowledge and Marxism Ernst Lewalter 12. On the So-Called ‘Existential Connectedness’ of Consciousness Gunther Anders 13. Philosophy and Sociology Hannah Arendt 14. Sociology or Ideology? Hans Speier 15. Knowledge and Society Karl August Wittfogel 16. Ideology and Science Eduard Spranger 17. The Conception of Ideology and Its Vicissitudes Helmuth Plessner 18. The Sociology of Knowledge and Epistemology Ernst Grunwald 19. The Sociology of Knowledge and Methodology Alexander von Schelting Part 4. Epilogue 20. Relativism and the Sociology of Knowledge Nico Stehr and Volker Meja