1969
January January; 11 (7): 1 - 52	February February; 12 (2): 53 - 103	March March; 12 (3): 105 - 155
April April; 12 (4): 157 - 212	May May; 12 (5): 213 - 263	June June; 12 (6): 269 - 319
July July; 13 (1): 1 - 51	August August; 13 (2): 57 - 108	September September; 13 (3): 113 - 168
October October; 13 (4): 165 - 218	November November; 13 (5): 221 - 275	December December; 13 (6): 277 - 319