1969
January January; 54 (1): 1 - 144	February February; 54 (2): 147 - 325	March March; 54 (3): 327 - 527
April April; 55 (1): 1 - 161	May May; 55 (2): 163 - 294	June June; 55 (3): 295 - 393
July July; 56 (1): 1 - 151	August August; 56 (2): 153 - 303	September September; 56 (3): 305 - 551
October October; 57 (1): 1 - 197	November November; 57 (2): 199 - 455	December December; 57 (3): 457 - 706