I: The Social Origins of Modern Science -- 1. The Social Roots of Science -- 2. The Sociological Roots of Science -- 3. The Methods of Humanism -- 4. Remarks on Zilsel�́�s �́�The Methods of Humanism�́� Paul O. Kristeller -- 5. The Origins of William Gilbert�́�s Scientific Method -- 6. The Genesis of the Concept of Physical Law -- 7. Copernicus and Mechanics -- 8. The Genesis of the Concept of Scientific Progress and Cooperation -- II: Physical Law and Socio-Historical Law -- 9. Problems of Empiricism -- 10. Physics and the Problem of Historico-sociological Laws -- 11. Phenomenology and Natural Science -- 12. Concerning �́�Phenomenology and Natural Science�́� -- 13. History and Biological Evolution -- 14. Science and the Humanistic Studies -- Index of names -- Index of topics