1969
January January; 9 (1): 1 - 112	February February; 9 (2): 115 - 267	March March; 9 (3): 269 - 469
April April; 9 (4): 473 - 643	May May; 9 (5): 647 - 757	June June; 9 (6): 4 - 859
July July; 9 (7): 863 - 990	August August; 9 (8): 993 - 1070	September September; 9 (9): 1073 - 1192
October October; 9 (10): 1195 - 1279	November November; 9 (11): 1281 - 1425	December December; 9 (12): 1427 - 1552