Issue #1 Nov 10, 1973 Issue #2 Jan 10, 1974 Issue #3 Mar 09, 1974 Issue #4 May 10, 1974 Issue #5 Jul 10, 1974 Issue #6 Sep 10, 1974 Issue #7 Oct 09, 1974 Issue #8 Dec 10, 1974 Issue #9 Feb 10, 1975 Issue #10 Apr 10, 1975 Issue #11 Jun 10, 1975 Issue #12 Aug 09, 1975 Issue #13 Oct 09, 1975 Issue #14 Dec 10, 1975 Issue #15 Mar 10, 1976 Issue #16 Jun 10, 1976 Issue #17 Aug 10, 1976 Issue #18 Oct 09, 1976 Issue #19 Dec 10, 1976 Issue #20 Feb 10, 1977