1971
January Vol 47, Num 1: 1 - 163	February Vol 47, Num 2: 325 - 487	March Vol 47, Num 3: 489 - 643
April Vol 47, Num 4: 645 - 798	May Vol 47, Num 5: 801 - 964	June Vol 47, Num 6: 965 - 1105
July Vol 48, Num 1: 1 - 172	August Vol 48, Num 2: 173 - 344	September Vol 48, Num 3: 345 - 506
October Vol 48, Num 4: 509 - 690	November Vol 48, Num 5: 693 - 851	December Vol 48, Num 6: 853 - 1011