1989
January January; 49 (1): 1 - 256 January; 49 (2): 265 - 504	February February; 49 (3): 507 - 765 February; 49 (4): 767 - 1073	March March; 49 (5): 1075 - 1331 March; 49 (6): 1333 - 1618
April April; 49 (7): 1621 - 1896 April; 49 (8): 1899 - 2197 Supplement: 2201s - 2302s	May May; 49 (9): 2305 - 2522 May; 49 (10): 2525 - 2820	June June; 49 (11): 2823 - 3143 June; 49 (12): 3147 - 3442
July July; 49 (13): 3445 - 3711 July; 49 (14): 3713 - 4068	August August; 49 (15): 4071 - 4371 August; 49 (16): 4373 - 4675	September September; 49 (17): 4677 - 4953 September; 49 (18): 4955 - 5236
October October; 49 (19): 5239 - 5487 October; 49 (20): 5489 - 5776	November November; 49 (21): 5779 - 6165 November; 49 (22): 6169 - 6446	December December; 49 (23): 6449 - 6868 December; 49 (24 Part 1 ): 6879 - 7190