September 23 1980
March 10 1981
March 24 1981
October 27 1981
August 26 1980
September 9 1980
September 11 1980
September 12 1980
September 19 1980
April 14 1981
April 28 1981
May 12 1981
January 4 1980
February 15 1980
February 26 1980
March 11 1980
March 25 1980
April 8 1980
April 11 1980
April 22 1980
May 1 1980
May 2 1980
May 8 1980
May 9 1980
August 25 1981
September 2 1981
September 11 1981
September 22 1981
October 9 1981
October 13 1981
December 8 1981
December 22 1981
January 12 1982
January 15 1982