1971
January January; 62 (1): 3 - 157	February February; 62 (2): 159 - 294	March March; 62 (3): 295 - 442
April April; 63 (1): 1 - 178	May May; 63 (2): 179 - 392	June June; 63 (3): 393 - 546
July July; 64 (1): 1 - 234	August August; 64 (2): 241 - 466	September September; 64 (3): 467 - 769
October October; 65 (1): 1 - 278	November November; 65 (2): 279 - 478	December December; 65 (3): 483 - 668