1978
January January; 88 (1): 1 - 199	February February; 88 (2): 201 - 417	March March; 88 (3): 419 - 642
April April; 88 (4): 643 - 861	May May; 89 (1): 5 - 224	June June; 89 (2): 225 - 417
July July; 89 (3): 419 - 614	August August; 89 (4): 615 - 810	September September; 90 (1): 1 - 212
October October; 90 (2): 213 - 426	November November; 90 (3): 427 - 644	December December; 90 (4): 647 - 849