Issue #37 Feb 13, 1969 Issue #38 Apr 10, 1969 Issue #39 Jun 12, 1969 Issue #40 Aug 12, 1969 Issue #41 Oct 16, 1969 Issue #42 Dec 26, 1972 Issue #43 Feb 27, 1973 Issue #44 Apr 26, 1973 Issue #45 Jan 15, 1976 Issue #46 Mar 11, 1976 Issue #47 May 13, 1976 Issue #48 Jul 08, 1976 Issue #49 Sep 21, 1976 Issue #50 Nov 11, 1976 Issue #51 Jan 27, 1977 Issue #52 Mar 22, 1977 Issue #53 May 24, 1977 Issue #54 Jul 19, 1977 Issue #55 Sep 13, 1977 Issue #56 Nov 08, 1977