Issue #21 Jul 16, 1974 Issue #22 Sep 17, 1974 Issue #23 Nov 19, 1974 Issue #24 Jan 21, 1975 Issue #25 Mar 18, 1975 Issue #26 May 20, 1975 Issue #27 Jul 15, 1975 Issue #28 Sep 16, 1975 Issue #29 Feb 29, 1976 Issue #30 Jan 20, 1976 Issue #31 Feb 17, 1976 Issue #32 Mar 16, 1976 Issue #33 Jul 01, 1976 Issue #34 May 16, 1976 Issue #35 Jun 15, 1976 Issue #36 Jul 20, 1976 Issue #37 Nov 01, 1976 Issue #38 Sep 21, 1976 Issue #39 Oct 19, 1976 Issue #40 Feb 01, 1977