1980 – Volume 27–28

  1. Pages 707–848
  2. Pages 565–706
  3. Pages 425–564
  4. Pages 289–424
  5. Pages 149–288
  6. Pages 1–148
  7. Pages 711–850
  8. Pages 579–710
  9. Pages 435–578
  10. Pages 297–434
  11. Pages 149–296
  12. Pages 1–148