Issue #39 Jun 30, 1973 Issue #40 Jul 01, 1973 Issue #41 Sep 30, 1973 Issue #42 Oct 01, 1973 Issue #43 Dec 31, 1973 Issue #44 Jan 31, 1974 Issue #45 Issue #46 Issue #47 Jun 11, 1974 Issue #48 Aug 13, 1974 Issue #49 Oct 27, 1974 Issue #50 Dec 10, 1974 Issue #51 May 01, 1975 Issue #52 Apr 24, 1975 Issue #53 Oct 01, 1975 Issue #54 Dec 01, 1975 Issue #55 Feb 01, 1976 Issue #56 Apr 01, 1976 Issue #57 Jun 01, 1976 Issue #58 Aug 01, 1976