Issue #1 Jul 21, 1970 Issue #2 Sep 15, 1970 Issue #3 Nov 24, 1970 Issue #4 Jan 26, 1971 Issue #5 Feb 23, 1971 Issue #6 Mar 23, 1971 Issue #7 Apr 20, 1971 Issue #8 May 18, 1971 Issue #9 Jun 15, 1971 Issue #10 Jul 20, 1971 Issue #11 Aug 17, 1971 Issue #12 Sep 14, 1971 Issue #13 Oct 19, 1971 Issue #14 Dec 14, 1971 Issue #15 Feb 22, 1972 Issue #16 Apr 18, 1972 Issue #17 May 22, 1972 Issue #18 Jun 20, 1972 Issue #19 Jul 18, 1972 Issue #20 Aug 15, 1972