1978
January January; 21 (1): 1 - 98	February February; 21 (2): 103 - 180	March March; 21 (3): 1 - 290
April April; 22 (1): 1 - 142	May May; 22 (2): 145 - 346	June June; 22 (3): 349 - 521
July July; 23 (1): 1 - 156	August August; 23 (2): 159 - 319	September September; 23 (3): 323 - 485
October October; 24 (1): 2 - 383	November November; 24 (2): 405 - 580	December December; 24 (3): 585 - 875