Issue #37 Jun 20, 1972 Issue #38 Jul 18, 1972 Issue #39 Aug 15, 1972 Issue #40 Sep 12, 1972 Issue #41 Nov 14, 1972 Issue #42 Jan 16, 1973 Issue #43 Mar 20, 1973 Issue #44 May 22, 1973 Issue #45 Jun 19, 1973 Issue #46 Jul 17, 1973 Issue #47 Aug 14, 1973 Issue #48 Sep 11, 1973 Issue #49 Oct 23, 1973 Issue #50 Dec 18, 1973 Issue #51 Mar 05, 1974 Issue #52 Apr 30, 1974 Issue #53 Jun 04, 1974 Issue #54 Jul 02, 1974 Issue #55 Jul 30, 1974 Issue #56 Sep 03, 1974