Issue #137 May 25, 1972 Issue #138 Jun 22, 1972 Issue #139 Jul 25, 1972 Issue #140 Aug 29, 1972 Issue #141 Sep 26, 1972 Issue #142 Oct 31, 1972 Issue #143 Nov 28, 1972 Issue #144 Dec 26, 1972 Issue #145 Jan 25, 1973 Issue #146 Feb 22, 1973 Issue #147 Mar 22, 1973 Issue #148 Apr 19, 1973 Issue #149 May 17, 1973 Issue #150 Jun 14, 1973 Issue #151 Jul 12, 1973 Issue #152 Aug 14, 1973 Issue #153 Sep 13, 1973 Issue #154 Oct 11, 1973 Issue #155 Nov 08, 1973 Issue #156 Dec 13, 1973