Issue #22 Mar 07, 1968 Issue #23 Issue #24 Sep 05, 1968 Issue #25 Dec 05, 1968 Issue #26 Mar 06, 1969 Issue #27 Jul 01, 1969 Issue #28 Sep 04, 1969 Issue #29 Dec 04, 1969 Issue #30 Mar 05, 1970 Issue #31 May 21, 1970 Issue #32 Aug 13, 1970 Issue #33 Nov 19, 1970 Issue #34 Feb 18, 1971 Issue #35 Apr 22, 1971 Issue #36 Jun 24, 1971 Issue #37 Aug 19, 1971 Issue #38 Oct 21, 1971 Issue #39 Dec 16, 1971 Issue #40 Feb 17, 1972 Issue #41 Jun 01, 1972