Issue #81 Dec 01, 1970 Issue #82 Issue #83 Apr 01, 1971 Issue #84 Jun 01, 1971 Issue #85 Issue #86 Issue #87 Nov 01, 1971 Issue #88 Issue #89 Issue #90 May 01, 1972 Issue #91 Jul 01, 1972 Issue #92 Sep 01, 1972 Issue #93 Issue #94 Issue #95 Issue #96 Mar 01, 1973 Issue #97 Feb 06, 1973 Issue #98 Mar 15, 1973 Issue #99 May 01, 1973 Issue #100 Jun 14, 1973