1. Lamb shifts for hydrogen, using the sachs elementary interaction theory

   • Jack Edwards

   OriginalPaper Pages: 291 - 296

2. Generalization of einstein's equation for nonsymmetricT _μν

   • James D. Edmonds Jr.

   OriginalPaper Pages: 297 - 302

3. Particle behavior in aesthetic field theory

   • M. Muraskin

   OriginalPaper Pages: 303 - 316

4. Positiveness of mass and the strong energy condition

   • Jacob D. Bekenstein

   OriginalPaper Pages: 317 - 321

5. A new differential calculus on a complex banach space with application to variational problems of quantum theory

   • C. S. Sharma
   • I. Rebelo

   OriginalPaper Pages: 323 - 336

6. Four dimensions and reference “frames”: Some operational interpretations

   • J. Charles Nickerson

   OriginalPaper Pages: 337 - 340

7. An electromagnetic inertial mass theory applied to elementary particles

   • John Kenny

   OriginalPaper Pages: 341 - 361

8. Gravitationally radiated linear momentum flux

   • Dexter J. Booth

   Letters Section Pages: 363 - 363