1956
January January; 71 (1): 1 - 128	February February; 71 (2): 129 - 256	March March; 71 (3): 257 - 382
April April; 71 (4): 383 - 501	May May; 71 (5): 503 - 625	June June; 71 (6): 627 - 739
July July; 72 (1): 1 - 125	August August; 72 (2): 127 - 279	September September; 72 (3): 280 - 428
October October; 72 (4): 429 - 572	November November; 72 (5): 573 - 724	December December; 72 (6): 16.2 - 871