Issue #54 Feb 19, 1991 Issue #55 Mar 19, 1991 Issue #56 Apr 16, 1991 Issue #57 May 21, 1991 Issue #58 Jun 18, 1991 Issue #59 Jul 23, 1991 Issue #60 Aug 20, 1991 Issue #61 Sep 17, 1991 Issue #62 Oct 22, 1991 Issue #63 Nov 19, 1991 Issue #64 Dec 17, 1991 Issue #65 Jan 21, 1992 Issue #66 Feb 18, 1992 Issue #67 Mar 24, 1992 Issue #68 Apr 21, 1992 Issue #69 May 19, 1992 Issue #70 Jun 25, 1992 Issue #71 Jul 21, 1992 Issue #72 Aug 18, 1992 Issue #73 Sep 22, 1992