Issue #52 Feb 23, 1967 Issue #53 Apr 13, 1967 Issue #54 May 25, 1967 Issue #55 Jul 13, 1967 Issue #56 Aug 24, 1967 Issue #57 Oct 12, 1967 Issue #58 Nov 23, 1967 Issue #59 Jan 11, 1968 Issue #60 Feb 27, 1968 Issue #61 Apr 11, 1968 Issue #62 May 28, 1968 Issue #63 Jul 11, 1968 Issue #64 Aug 27, 1968 Issue #65 Oct 10, 1968 Issue #66 Nov 26, 1968 Issue #67 Jan 14, 1969 Issue #68 Feb 27, 1969 Issue #69 Apr 10, 1969 Issue #70 May 27, 1969 Issue #71 Jul 10, 1969