Issue #13 Apr 16, 1974 Issue #14 Jun 18, 1974 Issue #15 Aug 20, 1974 Issue #16 Oct 22, 1974 Issue #17 Dec 19, 1974 Issue #18 May 01, 1975 Issue #19 Apr 22, 1975 Issue #20 Jun 24, 1975 Issue #21 Aug 21, 1975 Issue #22 Oct 23, 1975 Issue #23 Dec 23, 1975 Issue #24 Mar 30, 1976 Issue #25 Jun 29, 1976 Issue #26 Aug 12, 1976 Issue #27 Oct 19, 1976 Issue #28 Dec 16, 1976 Issue #29 Feb 08, 1977 Issue #30 Apr 12, 1977 Issue #31 Jun 07, 1977 Issue #32 Aug 02, 1977