July 9 1980
May 19 1982
June 16 1982
September 7 1984
April 13 1985
September 9 1983
July 8 1983
February 23 1989
June 10 1980
August 19 1980
October 28 1980
March 10 1981
March 26 1981
September 5 1980
September 16 1980
March 28 1981
March 31 1981
April 7 1981
April 17 1981
April 21 1981
April 22 1981
May 5 1981
June 2 1981
July 1 1986
May 5 1987
June 16 1987
August 18 1987
June 3 1986
September 29 1981
January 3 1980
January 8 1980
January 17 1980
March 4 1980
March 18 1980
April 1 1980