1952
January January; 50 (1): 1 - 142	February February; 50 (2): 143 - 276	March March; 50 (3): 277 - 376
April April; 50 (4): 377 - 496	May May; 50 (5): 497 - 586	June June; 50 (6): 587 - 694
July July; 51 (1): 1 - 74	August August; 51 (2): 75 - 156	September September; 51 (3): 157 - 267
October October; 51 (4): 267 - 343	November November; 51 (5): 349 - 456	December December; 51 (6): 463 - 589