Issue #170 Jan 17, 1978 Issue #171 Feb 14, 1978 Issue #172 Mar 21, 1978 Issue #173 Apr 18, 1978 Issue #174 May 16, 1978 Issue #175 Jun 27, 1978 Issue #176 Jul 25, 1978 Issue #177 Aug 15, 1978 Issue #178 Sep 19, 1978 Issue #179 Jan 01, 1979 Issue #180 Nov 14, 1978 Issue #181 Dec 12, 1978 Issue #182 Jan 16, 1979 Issue #183 Feb 13, 1979 Issue #184 Mar 20, 1979 Issue #185 Apr 17, 1979 Issue #186 May 15, 1979 Issue #187 Jun 19, 1979 Issue #188 Jul 17, 1979 Issue #189 Aug 21, 1979