1. Editorial

   EditorialNotes Pages: 453 - 453

2. О лагранжевых и зйлеровых решеиях обощенной задачи трех тел

   • Г. Н. Дубошин

   OriginalPaper Pages: 454 - 466

3. Equivalence of the perturbation theories of Hori and Deprit

   • J. A. Campbell
   • William H. Jefferys

   OriginalPaper Pages: 467 - 473

4. A FORTRAN-based list processor for Poisson series

   • W. H. Jefferys

   OriginalPaper Pages: 474 - 480

5. Invariant properties of families of moon-to-earth trajectories

   • J. E. Lancaster

   OriginalPaper Pages: 481 - 493

6. Convergence of the von Zeipel procedure

   • Richard B. Barrar

   OriginalPaper Pages: 494 - 504

7. Abstracts of forthcoming papers

   Abstract Pages: 505 - 506