1987
January January; 61 (1): 1 - 238	February February; 61 (2): 239 - 637	March March; 61 (3): 639 - 944
April April; 61 (4): 945 - 1299	May May; 61 (5): 1301 - 1764	June June; 61 (6): 1765 - 2062
July July; 61 (7): 2063 - 2349	August August; 61 (8): 2351 - 2657	September September; 61 (9): 2659 - 2950
October October; 61 (10): 2951 - 3348	November November; 61 (11): 3349 - 3647	December December; 61 (12): 3649 - 4066