1967
January Vol 39, Num 1: 1 - 156	February Vol 39, Num 2: 157 - 324	March Vol 39, Num 3: 325 - 484
April Vol 39, Num 4: 485 - 644	May Vol 39, Num 5: 645 - 808	June Vol 39, Num 6: 809 - 957
July Vol 40, Num 1: 1 - 155	August Vol 40, Num 2: 157 - 318	September Vol 40, Num 3: 319 - 546
October Vol 40, Num 4: 547 - 782	November Vol 40, Num 5: 783 - 934	December Vol 40, Num 6: 935 - 1077