Issue #52 Jan 06, 1977 Issue #53 Feb 08, 1977 Issue #54 Apr 12, 1977 Issue #55 Jun 07, 1977 Issue #56 Jul 05, 1977 Issue #57 Aug 10, 1977 Issue #58 Sep 06, 1977 Issue #59 Oct 04, 1977 Issue #60 Nov 08, 1977 Issue #61 Dec 06, 1977 Issue #62 Jan 03, 1978 Issue #63 Feb 07, 1978 Issue #64 Mar 07, 1978 Issue #65 Apr 11, 1978 Issue #66 May 09, 1978 Issue #67 Jun 13, 1978 Issue #68 Jul 11, 1978 Issue #69 Aug 08, 1978 Issue #70 Sep 12, 1978 Issue #71 Oct 10, 1978