Issue #72 Jul 20, 1971 Issue #73 Sep 14, 1971 Issue #74 Nov 16, 1971 Issue #75 Jan 18, 1972 Issue #76 Mar 21, 1972 Issue #77 May 23, 1972 Issue #78 Jul 18, 1972 Issue #79 Sep 12, 1972 Issue #80 Nov 07, 1972 Issue #81 Jan 09, 1973 Issue #82 Mar 13, 1973 Issue #83 May 15, 1973 Issue #84 Jul 10, 1973 Issue #85 Sep 04, 1973 Issue #86 Oct 30, 1973 Issue #87 Jan 01, 1974 Issue #88 Mar 12, 1974 Issue #89 May 17, 1974 Issue #90 Jul 09, 1974 Issue #91 Sep 10, 1974