Issue #48 Feb 20, 1990 Issue #49 Mar 06, 1990 Issue #50 Mar 20, 1990 Issue #51 Jun 10, 1990 Issue #52 Jun 20, 1990 Issue #53 May 01, 1990 Issue #54 Jul 20, 1990 Issue #55 Jul 30, 1990 Issue #56 Aug 10, 1990 Issue #57 Aug 20, 1990 Issue #58 Sep 10, 1990 Issue #59 Sep 20, 1990 Issue #60 Aug 07, 1990 Issue #61 Oct 20, 1990 Issue #62 Nov 10, 1990 Issue #63 Sep 18, 1990 Issue #64 Oct 02, 1990 Issue #65 Dec 20, 1990 Issue #66 Oct 30, 1990 Issue #67 Nov 13, 1990