1989
January January; 121 (1): 1 - 199	February February; 121 (2): 201 - 393	March March; 121 (3): 395 - 629
April April; 121 (4): 631 - 899	May May; 122 (1): 1 - 252	June June; 122 (2): 1 - 465
July July; 122 (3): 467 - 719	August August; 122 (4): 721 - 984	September September; 123 (1): 1 - 243
October October; 123 (2): 245 - 425	November November; 123 (3): 427 - 619	December December; 123 (4): 621 - 899