Issue #138 May 20, 1975 Issue #139 Jun 17, 1975 Issue #140 Jul 15, 1975 Issue #141 Aug 19, 1975 Issue #142 Sep 16, 1975 Issue #143 Oct 21, 1975 Issue #144 Nov 18, 1975 Issue #145 Dec 16, 1975 Issue #146 Jan 20, 1976 Issue #147 Feb 17, 1976 Issue #148 Mar 16, 1976 Issue #149 Apr 20, 1976 Issue #150 Aug 10, 1976 Issue #151 Jun 15, 1976 Issue #152 Jul 20, 1976 Issue #153 Aug 17, 1976 Issue #154 Sep 21, 1976 Issue #155 Oct 19, 1976 Issue #156 Nov 16, 1976 Issue #157 Dec 14, 1976