1. The Third International Significal Summer Conference ('s-graveland, Netherlands, August 1947), Significs and “Synthese”

   General Part Pages: 113 - 121

2. Introduction

   General Part Pages: 122 - 127

3. Du Rapport des Sciences avec la Philosophie

   • Jean Piaget

   Congres De Berne Pages: 130 - 150

4. Die Bedeutung der Tiefenpsychologie für die geschichtliche und soziologische Forschung

   • Emil J. Walter

   Section Suisse Pages: 152 - 156

5. Institute for the Unity of Science

   Unity Of Science Forum Pages: 158 - 159

6. The institute for the Unity of Science

   • Philipp Frank

   Unity Of Science Forum Pages: 160 - 167

7. Elections to the Academy of Sciences of the U.S.S.R.

   • Sergei Vavilov

   Russian Section Pages: 170 - 173

8. Fixed laws of the mind and their control in the interests of peace

   • Ranyard West

   British Section Pages: 176 - 181

9. Psychic conditions of social happiness

   • Claude A. Claremont

   British Section Pages: 182 - 188

10. Address delivered on September 16th, 1946, at the University of Amsterdam by Professor L. E. J. Brouwer on the conferment upon Professor G. Mannoury of the honorary degree of Doctor of Science (English version)

    Dutch Section Pages: 190 - 194

11. Book review

    • Evert W. Beth

    BookReview Pages: 195 - 195

12. The Synthese-Series and the International Book-Committee

    Announcement Pages: 198 - 199