Issue #12 May 25, 1971 Issue #13 Jul 27, 1971 Issue #14 Sep 21, 1971 Issue #15 Nov 23, 1971 Issue #16 Jan 25, 1972 Issue #17 Mar 28, 1972 Issue #18 May 30, 1972 Issue #19 Jul 25, 1972 Issue #20 Sep 19, 1972 Issue #21 Nov 21, 1972 Issue #22 Jan 23, 1973 Issue #23 Mar 27, 1973 Issue #24 May 29, 1973 Issue #25 Jul 24, 1973 Issue #26 Sep 18, 1973 Issue #27 Oct 23, 1973 Issue #28 Mar 05, 1974 Issue #29 May 07, 1974 Issue #30 Jul 23, 1974 Issue #31 Sep 24, 1974