1970
January January; 60 (1): 1 - 23	February February; 60 (2): 63 - 96	March March; 60 (3): 109 - 131
April April; 60 (4): 151 - 177	May May; 60 (5): 193 - 215	June June; 60 (6): 229 - 254
July July; 60 (7): 267 - 290	August August; 60 (8): 303 - 332	September September; 60 (9): 341 - 373
October October; 60 (10): 383 - 413	November November; 60 (11): 423 - 447	December December; 60 (12): 469 - 487