Issue #1 Jul 01, 1971 Issue #2 Sep 07, 1971 Issue #3 Nov 04, 1971 Issue #4 Jan 06, 1972 Issue #5 Mar 02, 1972 Issue #6 May 04, 1972 Issue #7 Jun 01, 1972 Issue #8 Aug 03, 1972 Issue #9 Sep 05, 1972 Issue #10 Oct 03, 1972 Issue #11 Nov 02, 1972 Issue #12 Dec 05, 1972 Issue #13 Jan 02, 1973 Issue #14 Feb 01, 1973 Issue #15 Mar 01, 1973 Issue #16 Apr 03, 1973 Issue #17 May 01, 1973 Issue #18 Jun 05, 1973 Issue #19 Jul 03, 1973 Issue #20 Aug 02, 1973