1964
January January; 87 (1): 1 - 240	February February; 87 (2): 241 - 482	March March; 87 (3): 483 - 749
April April; 87 (4): 751 - 976	May May; 87 (5): 977 - 1259	June June; 87 (6): 1261 - 1533
July July; 88 (1): 1 - 268	August August; 88 (2): 269 - 543	September September; 88 (3): 545 - 816
October October; 88 (4): 817 - 1203	November November; 88 (5): 1205 - 1527	December December; 88 (6): 1529 - 1817