Issue #499 Dec 29, 1992 Issue #500 Apr 15, 1993 Issue #501 Apr 27, 1993 Issue #502 Jun 02, 1993 Issue #503 Jun 29, 1993 Issue #504 Jul 27, 1993 Issue #505 Aug 31, 1993 Issue #506 Sep 29, 1993 Issue #507 Oct 26, 1993 Issue #508 Dec 01, 1993 Issue #509 Dec 28, 1993 Issue #510 Jan 25, 1994 Issue #511 Feb 22, 1994 Issue #512 Mar 29, 1994 Issue #513 Jan 26, 1994 Issue #514 May 31, 1994 Issue #515 Jun 28, 1994 Issue #516 Jul 26, 1994 Issue #517 Sep 27, 1994 Issue #518 Oct 25, 1994