Issue #6 Apr 25, 1974 Issue #7 Jul 25, 1974 Issue #8 Oct 25, 1974 Issue #9 Dec 25, 1974 Issue #10 Feb 20, 1975 Issue #11 Apr 25, 1975 Issue #12 Jun 24, 1975 Issue #13 Aug 25, 1975 Issue #14 Oct 25, 1975 Issue #15 Dec 25, 1975 Issue #16 Feb 25, 1976 Issue #17 Apr 25, 1976 Issue #18 Jun 25, 1976 Issue #19 Aug 25, 1976 Issue #20 Oct 25, 1976 Issue #21 Dec 25, 1976 Issue #22 Feb 25, 1977 Issue #23 Apr 25, 1977 Issue #24 Jun 25, 1977 Issue #25 Aug 25, 1977