Issue #13 Mar 01, 1966 Issue #14 Jun 01, 1966 Issue #15 Sep 01, 1966 Issue #16 Dec 01, 1966 Issue #17 Mar 01, 1967 Issue #18 May 01, 1967 Issue #19 Aug 01, 1967 Issue #20 Nov 01, 1967 Issue #21 Oct 01, 1968 Issue #22 Oct 01, 1969 Issue #23 Jan 01, 1970 Issue #24 Issue #25 Issue #26 Issue #27 Jan 01, 1971 Issue #28 Apr 01, 1971 Issue #29 Jul 01, 1971 Issue #30 Issue #31 Jan 01, 1972 Issue #32