Journals Nos. 61 to 70
Volume 61: 1971
Number 1
Number 2
Number 3
Number 4
Volume 62: 1972
Number 1
Number 2
Number 3
Number 4
Volume 63: 1973
Number 1
Number 2
Number 3
Number 4
Volume 64: 1974
Number 1
Number 2
Number 3
Number 4
Volume 65: 1975
Number 1
Number 2
Number 3
Number 4
Volume 66: 1976
Number 1
Number 2
Number 3
Number 4
Volume 67: 1977
Number 1
Number 2
Number 3
Number 4
Volume 68: 1978
Number 1
Number 2
Number 3
Number 4
Volume 69: 1979
Number 1
Number 2
Number 3
Number 4
Volume 70: 1980
Number 1
Number 2
Number 3
Number 4