Issue #289 Feb 01, 1981 Issue #290 Dec 22, 1980 Issue #291 Apr 30, 1981 Issue #292 May 31, 1981 Issue #293 Jun 30, 1981 Issue #294 Jul 31, 1981 Issue #295 Apr 28, 1981 Issue #296 May 26, 1981 Issue #297 Jun 30, 1981 Issue #298 Jul 28, 1981 Issue #299 Sep 01, 1981 Issue #300 Sep 29, 1981 Issue #301 Oct 27, 1981 Issue #302 Nov 24, 1981 Issue #303 Dec 29, 1981 Issue #304 Feb 18, 1982 Issue #305 Feb 23, 1982 Issue #306 Mar 30, 1982 Issue #307 Apr 27, 1982 Issue #308 Jun 17, 1982