1. A constructive approach to the foundations of quantum mechanics

   • Hans Kummer

   OriginalPaper Pages: 1 - 62

2. Vector-spinor space and field equations

   • Nathan Rosen
   • Gerald E. Tauber

   OriginalPaper Pages: 63 - 99

3. Book review

   • James T. Cushing
   • John L. Friedman

   BookReview Pages: 101 - 109

4. Book review

   • A. O. Barut

   BookReview Pages: 111 - 113

5. Book review

   • William E. Gordon

   BookReview Pages: 115 - 116

6. Announcement

   Announcement Pages: 117 - 117