1980 Newsletters
No 025 - ACTSDS Newsletter FEBRUARY 1980
No 026 - ACTSDS Newsletter MARCH 1980
No 027 - ACTSDS Newsletter APRIL 1980
No 028 - ACTSDS Newsletter MAY 1980
No 029 - ACTSDS Newsletter JULY 1980
No 030 - ACTSDS Newsletter AUGUST 1980
No 031 - ACTSDS Newsletter SEPTEMBER 1980
No 032 - ACTSDS Newsletter NOVEMBER 1980