1972
January January; 9 (1): 1 - 188	February February; 9 (2): 189 - 398	March March; 9 (3): 399 - 563
April April; 9 (4): 565 - 719	May May; 9 (5): 721 - 882	June June; 9 (6): 883 - 1063
July July; 10 (1): 1 - 165	August August; 10 (2): 167 - 319	September September; 10 (3): 321 - 563
October October; 10 (4): 565 - 888	November November; 10 (5): 889 - 1090	December December; 10 (6): 1091 - 1241