1. Harold C. Urey 1983–1981

   • S. L. Miller
   • J. Oró

   OriginalPaper Pages: 263 - 264

2. Amino acids of the murchison meteorite:

   • J. R. Cronin
   • W. E. Gandy
   • S. Pizzarello

   OriginalPaper Pages: 265 - 272

3. Reasons for the occurrence of the twenty coded protein amino acids

   • Arthur L. Weber
   • Stanley L. Miller

   OriginalPaper Pages: 273 - 284

4. Cyanamide mediated syntheses of peptides containing histidine and hydrophobic amino acids

   • J. R. Hawker Jr.
   • J. Oró

   OriginalPaper Pages: 285 - 294

5. Synthesis of oligoguanylates on oligocytidylate templates

   • H. Fakhrai
   • J. H. G. van Roode
   • L. E. Orgel

   OriginalPaper Pages: 295 - 302

6. Condensation of activated diguanylates on a poly(C) template

   • R. Lohrmann
   • P. K. Bridson
   • L. E. Orgel

   OriginalPaper Pages: 303 - 306

7. Recently published papers in the field of molecular evolution

   OriginalPaper Pages: 307 - 310