1980
January January 1980 58 (1): 1 - 281	March March 1980 58 (2): 283 - 553
May May 1980 59 (1): 1 - 247	July July 1980 59 (2): 259 - 529
September September 1980 60 (1): 1 - 256	November November 1980 60 (2): 267 - 493