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1949
January January; 156 (1): 1 - 136	February February; 156 (2): 137 - 297	March March; 156 (3): 299 - 464
April April; 157 (1): 1 - 176	May May; 157 (2): 177 - 342	June June; 157 (3): 343 - 476
July July; 158 (1): 1 - 156	August August; 158 (2): 157 - 325	September September; 158 (3): 327 - 484
October October; 159 (1): 1 - 193	November November; 159 (2): 195 - 408 November; 159 (3): 409 - 598	December December; 160 (1): 1 - 216