Issue #12 Aug 21, 1973 Issue #13 Oct 16, 1973 Issue #14 Dec 11, 1973 Issue #15 Feb 19, 1974 Issue #16 Apr 23, 1974 Issue #17 Jun 25, 1974 Issue #18 Jul 23, 1974 Issue #19 Aug 27, 1974 Issue #20 Oct 24, 1974 Issue #21 Dec 24, 1974 Issue #22 Feb 25, 1975 Issue #23 Apr 22, 1975 Issue #24 Jun 24, 1975 Issue #25 Jul 08, 1975 Issue #26 Aug 05, 1975 Issue #27 Sep 09, 1975 Issue #28 Nov 11, 1975 Issue #29 Jan 06, 1976 Issue #30 Mar 02, 1976 Issue #31 May 04, 1976