Issue #1 May 12, 1970 Issue #2 Jul 21, 1970 Issue #3 Sep 15, 1970 Issue #4 Nov 17, 1970 Issue #5 Jan 19, 1971 Issue #6 Mar 16, 1971 Issue #7 May 18, 1971 Issue #8 Jul 20, 1971 Issue #9 Sep 14, 1971 Issue #10 Mar 28, 1972 Issue #11 May 16, 1972 Issue #12 Jul 11, 1972 Issue #13 Sep 05, 1972 Issue #14 Oct 31, 1972 Issue #15 Jan 02, 1973 Issue #16 Mar 06, 1973 Issue #17 May 08, 1973 Issue #18 Jul 03, 1973 Issue #19 Aug 28, 1973 Issue #20 Oct 23, 1973