Issue #158 Jan 18, 1977 Issue #159 Feb 15, 1977 Issue #160 Mar 15, 1977 Issue #161 Apr 19, 1977 Issue #162 May 17, 1977 Issue #163 Jun 14, 1977 Issue #164 Jul 19, 1977 Issue #165 Aug 17, 1977 Issue #166 Sep 20, 1977 Issue #167 Oct 18, 1977 Issue #168 Nov 15, 1977 Issue #169 Dec 20, 1977 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