Issue #51 Apr 11, 1991 Issue #52 May 16, 1991 Issue #53 Jun 20, 1991 Issue #54 Jul 25, 1991 Issue #55 Aug 29, 1991 Issue #56 Sep 19, 1991 Issue #57 Oct 24, 1991 Issue #58 Nov 21, 1991 Issue #59 Dec 19, 1991 Issue #60 Jan 23, 1992 Issue #61 Mar 10, 1992 Issue #62 Mar 14, 1992 Issue #63 Apr 14, 1992 Issue #64 Issue #65 Issue #66 Jul 21, 1992 Issue #67 Issue #68