1978
January January ; 25 (1) : 1a - 70	March March ; 25 (2) : 71 - 160	May May ; 25 (3) : 161 - 258
July July ; 25 (4) : 259 - 350	September September ; 25 (5) : 351 - 452	November November ; 25 (6) : 453 - 546