1950
January January; 46 (1): 1 - 134	February February; 46 (2): 135 - 260	March March; 46 (3): 261 - 340
April April; 46 (4): 341 - 406	May May; 46 (5): 407 - 502	June June; 46 (6): 505 - 598
July July; 47 (1): 1 - 75	August August; 47 (2): 75 - 138	September September; 47 (3): 139 - 218
October October; 47 (4): 219 - 310	November November; 47 (5): 311 - 391	December December; 47 (6): 393 - 471