1987
January January; 9 (1): 3 - 106	February February; 9 (2): 111 - 215	March March; 9 (3): 217 - 314
April April; 9 (4): 315 - 420	May May; 9 (5): 423 - 560	June June; 9 (6): 561 - 659
July July; 10 (1): 1 - 131	August August; 10 (2): 133 - 237	September September; 10 (3): 239 - 353
October October; 10 (4): 375 - 466	November November; 10 (5): 467 - 550	December December; 10 (6): 551 - 641