1971 – 1980

1971 35-1971 Program
1972 39-1972 Program
1973 42-1973 Program
1974 45-1974 Program
1975 1975 program
1976 52-1976 Program
197755-1977 Cover
1978 58-1978 Cover
197961-1979 Cover
1980 64-1980 Cover