1970
January January; 58 (1): 1 - 181	February February; 58 (2): 185 - 373	March March; 58 (3): 377 - 565
April April; 59 (1): 1 - 194	May May; 59 (2): 197 - 368	June June; 59 (3): 369 - 468
July July; 60 (1): 1 - 130	August August; 60 (2): 133 - 312	September September; 60 (3): 313 - 504
October October; 61 (1): 1 - 116	November November; 61 (2): 117 - 292	December December; 61 (3): 293 - 518