1974
January January; 27 (1): 1 - 296	February February; 27 (2): 297 - 442	March March; 27 (3): 443 - 624
April April; 27 (4): 625 - 817	May May; 27 (5): 819 - 996	June June; 27 (6): 997 - 1179
July July; 28 (1): 1 - 157	August August; 28 (2): 159 - 330	September September; 28 (3): 331 - 524
October October; 28 (4): 525 - 735	November November; 28 (5): 737 - 899	December December; 28 (6): 901 - 1096