May 03–Aug 31, 1980

May 31–Jul 27, 1980

May 24–Jul 13, 1980

Jul 19–Aug 31, 1980

Mar 21–May 25, 1980

Mar 12–May 22, 1980

Mar 21–May 18, 1980

Feb 22–Apr 27, 1980

Jan 20–Mar 14, 1980

Feb 01–Mar 11, 1980

Jan 11–Mar 09, 1980

Dec 08, 1979–Feb 17, 1980