Issue #2 Mar 04, 1975 Issue #3 May 06, 1975 Issue #4 Jul 01, 1975 Issue #5 Sep 02, 1975 Issue #6 Mar 01, 1977 Issue #7 May 03, 1977 Issue #8 Jul 05, 1977 Issue #9 Aug 30, 1977 Issue #10 Nov 01, 1977 Issue #11 Jan 03, 1978 Issue #12 Mar 07, 1978 Issue #13 May 02, 1978 Issue #14 Jul 04, 1978 Issue #15 May 08, 1979 Issue #16 Jun 05, 1979 Issue #17 Jul 03, 1979 Issue #18 Aug 07, 1979 Issue #19 Sep 11, 1979 Issue #20 Oct 25, 1979 Issue #21 Nov 06, 1979