1989
January Vol 83, Num 1: 1 - 150; A32 - A64	February Vol 83, Num 2: 153 - 315; A42 - A72	March Vol 83, Num 3: 319 - 464; A32 - A104
April Vol 83, Num 4: 465 - 656; A30 - A78	May Vol 83, Num 5: 657 - 914; A30 - A92	June Vol 83, Num 6: 915 - 1078; A18 - A84
July Vol 84, Num 1: 1 - 198; A19 - A74	August Vol 84, Num 2: 199 - 405; A24 - A99	September Vol 84, Num 3: 407 - 591; A24 - A116
October Vol 84, Num 4: 595 - 1281; A24 - A123	November Vol 84, Num 5: 751 - 941; A26 - A96	December Vol 84, Num 6: 943 - 1125; A23 - A68