Issue #21 Sep 04, 1973 Issue #22 Oct 02, 1973 Issue #23 Nov 01, 1973 Issue #24 Dec 04, 1973 Issue #25 Jan 02, 1974 Issue #26 Feb 05, 1974 Issue #27 Mar 05, 1974 Issue #28 Apr 02, 1974 Issue #29 May 07, 1974 Issue #30 Jun 04, 1974 Issue #31 Jul 02, 1974 Issue #32 Aug 01, 1974 Issue #33 Sep 19, 1974 Issue #34 Oct 03, 1974 Issue #35 Nov 05, 1974 Issue #36 Dec 03, 1974 Issue #37 Jan 02, 1975 Issue #38 Feb 04, 1975 Issue #39 Mar 04, 1975 Issue #40 Apr 22, 1975