Issue #220 Jul 15, 1975 Issue #221 Sep 11, 1975 Issue #222 Nov 20, 1975 Issue #223 Jan 22, 1976 Issue #224 Mar 18, 1976 Issue #225 May 24, 1976 Issue #226 Jul 26, 1976 Issue #227 Sep 30, 1976 Issue #228 Nov 18, 1976 Issue #229 Dec 23, 1976 Issue #230 Jan 27, 1977 Issue #231 Feb 15, 1977 Issue #232 Mar 29, 1977 Issue #233 Apr 26, 1977 Issue #234 May 31, 1977 Issue #235 Jun 28, 1977 Issue #236 Jul 26, 1977 Issue #237 Aug 31, 1977 Issue #238 Sep 27, 1977 Issue #239 Oct 25, 1977