Issue #12 Jan 16, 1973 Issue #13 Feb 13, 1973 Issue #14 Mar 13, 1973 Issue #15 Apr 17, 1973 Issue #16 May 15, 1973 Issue #17 Jun 19, 1973 Issue #18 Jul 17, 1973 Issue #19 Aug 21, 1973 Issue #20 Sep 18, 1973 Issue #21 Oct 25, 1973 Issue #22 Nov 27, 1973 Issue #23 Dec 26, 1973 Issue #24 Jan 24, 1974 Issue #25 Feb 21, 1974 Issue #26 Mar 26, 1974 Issue #27 Apr 23, 1974 Issue #28 May 23, 1974 Issue #29 Jun 25, 1974 Issue #30 Jul 23, 1974 Issue #31 Aug 27, 1974