1949
January January; 44 (1): 1 - 109	February February; 44 (2): 109 - 210	March March; 44 (3): 211 - 292
April April; 44 (4): 293 - 391	May May; 44 (5): 391 - 486	June June; 44 (6): 487 - 600
July July; 45 (1): 1 - 112	August August; 45 (2): 113 - 210	September September; 45 (3): 211 - 350
October October; 45 (4): 351 - 450	November November; 45 (5): 451 - 548	December December; 45 (6): 549 - 640