1950
January January; 59 (1): 1 - 136	February February; 59 (2): 137 - 315	March March; 59 (3): 317 - 447
April April; 59 (4): 449 - 602	May May; 59 (5): 603 - 697	June June; 59 (6): 699 - 792
July July; 60 (1): 5 - 105	August August; 60 (2): 107 - 213	September September; 60 (3): 215 - 368
October October; 60 (4): 369 - 510	November November; 60 (5): 511 - 679	December December; 60 (6): 681 - 781