1972
January January; 12 (1): 1 - 130	February February; 12 (2): 133 - 213	March March; 12 (3): 215 - 322
April April; 12 (4): 325 - 448	May May; 12 (5): 453 - 596	June June; 12 (6): 597 - 704
July July; 12 (7): 707 - 929	August August; 12 (8): 933 - 1096	September September; 12 (9): 1099 - 12182
October October; 12 (10): 1221 - 1368	November November; 12 (11): 1371 - 1582	December December; 12 (12): 2 - 1688