1975
January January; 29 (1): 1 - 131	February February; 29 (2): 133 - 307	March March; 29 (3): 309 - 435
April April; 29 (4): 437 - 569	May May; 29 (5): 571 - 711	June June; 29 (6): 713 - 865
July July; 30 (1): 1 - 162	August August; 30 (2): 163 - 341	September September; 30 (3): 343 - 498
October October; 30 (4): 499 - 711	November November; 30 (5): 713 - 888	December December; 30 (6): 889 - 1054