Issue #19 Oct 13, 1975 Issue #20 Dec 10, 1975 Issue #21 Mar 04, 1976 Issue #22 May 20, 1976 Issue #23 Sep 02, 1976 Issue #24 Nov 10, 1976 Issue #25 Jan 11, 1977 Issue #26 Mar 04, 1977 Issue #27 Apr 07, 1977 Issue #28 Jul 06, 1977 Issue #29 Oct 05, 1977 Issue #30 Dec 15, 1977 Issue #31 Mar 18, 1978 Issue #32 Apr 27, 1978 Issue #33 Jul 06, 1978 Issue #34 Sep 06, 1978 Issue #35 Dec 05, 1978 Issue #36 Mar 06, 1979 Issue #37 Apr 20, 1979 Issue #38 Jun 05, 1979