1. Aspecten en prospecten

   Algemeen Gedeelte General Part Partie Generale Pages: 461 - 471

2. Congrès de Berne

   Algemeen Gedeelte General Part Partie Generale Pages: 473 - 485

3. Unite et methode dans la science

   • J. Clay

   Algemeen Gedeelte General Part Partie Generale Pages: 486 - 498

4. Soviet mathematicians

   • I. Vinogradov

   Russian Section Pages: 499 - 503

5. B. M. Teplov. “Psychology”

   • A. Smirnov

   Russian Section Pages: 503 - 505

6. Russian scientists and philosophers

   • Y. P. Frolov

   Russian Section Pages: 506 - 510

7. Editorial

   • G. Mannoury

   Dutch Section Pages: 511 - 513

8. G. Mannoury's reply to the address delivered by L. E. J. Brouwer on the occasion of his honorary doctorate on September 16th, 1946

   Dutch Section Pages: 514 - 515

9. Commemoration of the graduation day of Prof. Dr.L. E. J. Brouwer, February 19, 1907

   Dutch Section Pages: 516 - 518

10. The relativistic standpoint with regard to the foundation of mathematics

    Dutch Section Pages: 519 - 521

11. Sociobiology

    Dutch Section Pages: 522 - 525

12. Essentials of Heymans' philosophy

    • T. T. ten Have

    Dutch Section Pages: 526 - 541

13. Logical and psychological aspects in the consideration of language

    • Evert W. Beth

    Dutch Section Pages: 542 - 544