1975
January January; 121 (1): 1 - 400	February February; 121 (2): 401 - 745	March March; 121 (3): 747 - 1218
April April; 122 (1): 1 - 346	May May; 122 (2): 347 - 798	June June; 122 (3): 799 - 1395
July July; 123 (1): 1 - 390	August August; 123 (2): 391 - 777	September September; 123 (3): 779 - 1273
October October; 124 (1): 1 - 595	November November; 124 (2): 597 - 1040	December December; 124 (3): 1041 - 1637