Issue #15 May 31, 1976 Issue #16 Feb 03, 1976 Issue #17 Jul 31, 1976 Issue #18 May 04, 1976 Issue #19 Jun 01, 1976 Issue #20 Jul 06, 1976 Issue #21 Nov 30, 1976 Issue #22 Sep 07, 1976 Issue #23 Oct 05, 1976 Issue #24 Nov 02, 1976 Issue #25 Nov 30, 1976 Issue #26 Jan 04, 1977 Issue #27 Feb 01, 1977 Issue #28 Mar 01, 1977 Issue #29 Apr 05, 1977 Issue #30 May 03, 1977 Issue #31 May 31, 1977 Issue #32 Jul 05, 1977 Issue #33 Aug 03, 1977 Issue #34 Sep 06, 1977