Issue #267 Oct 13, 1981 Issue #268 Nov 10, 1981 Issue #269 Dec 08, 1981 Issue #270 Jan 12, 1982 Issue #271 Feb 09, 1982 Issue #272 Mar 09, 1982 Issue #273 Apr 06, 1982 Issue #274 May 04, 1982 Issue #275 Jun 08, 1982 Issue #276 Jul 06, 1982 Issue #277 Aug 10, 1982 Issue #278 Sep 07, 1982 Issue #279 Oct 12, 1982 Issue #280 Nov 09, 1982 Issue #281 Dec 07, 1982 Issue #282 Jan 11, 1983 Issue #283 Feb 08, 1983 Issue #284 Mar 08, 1983 Issue #285 Apr 05, 1983 Issue #286 May 10, 1983