August 15, 1983
November 1, 1982
October 25, 1982
October 11, 1982
July 12, 1982
June 20, 1982
April 21, 1982
January 17, 1981
October 11, 1980
September 20, 1980
July 5, 1980
April 12, 1980
February 9, 1980
December 29, 1979
September 29, 1979
September 1, 1979
September 23, 1978
July 8, 1978
April 21, 1978