1978
January January; 25 (1): 1 - 464	February February; 25 (2): 465 - 704	March March; 25 (3): 705 - 948
April April; 26 (1): 1 - 208	May May; 26 (2): 209 - 546	June June; 26 (3): 547 - 835
July July; 27 (1): 1 - 261	August August; 27 (2): 263 - 457	September September; 27 (3): 459 - 837
October October; 28 (1): 1 - 420	November November; 28 (2): 421 - 670	December December; 28 (3): 671 - 1017