1988
January January 1; 85 (1) : 1 - 297 January 15; 85 (2) : 299 - 640	February February 1; 85 (3) : 641 - 967 February 15; 85 (4) : 969 - 1326	March March 1; 85 (5) : 1327 - 1726 March 15; 85 (6) : 1727 - 2024
April April 1; 85 (7) : 2025 - 2416 April 15; 85 (8) : 2417 - 2877	May May 1; 85 (9) : 2879 - 3269 May 15; 85 (10) : 3271 - 3660	June June 1; 85 (11) : 3661 - 4113 June 15; 85 (12) : 4115 - 4575
July July 1; 85 (13) : 4577 - 4943 July 15; 85 (14) : 4945 - 5344	August August 1; 85 (15) : 5345 - 5758 August 15; 85 (16) : 5759 - 6226	September September 1; 85 (17) : 6227 - 6575 September 15; 85 (18) : 6577 - 7040
October October 1; 85 (19) : 7041 - 7421 October 15; 85 (20) : 7423 - 7829	November November 1; 85 (21) : 7831 - 8369 November 15; 85 (22) : 8371 - 8769	December December 1; 85 (23) : 8771 - 9372 December 15; 85 (24) : 9373 - 9874