1989
January January; 73 (513): 1 - 90	February February; 73 (514): 1 - 120
March March; 73 (515): 1 - 121	April April; 73 (516): 1 - 122
May May; 73 (517): 1 - 138	September September; 73 (518): 1 - 128
November November; 73 (520): 1 - 136	December December; 73 (521): 1 - 120

1989 1989; 73 (519): 1 - 137