Issue #20 Oct 24, 1972 Issue #21 May 24, 1973 Issue #22 Aug 09, 1973 Issue #23 Sep 27, 1973 Issue #24 Oct 11, 1973 Issue #25 Jan 03, 1974 Issue #27 Mar 07, 1974 Issue #29 May 07, 1974 Issue #31 Nov 05, 1974 Issue #32 Sep 05, 1974 Issue #33 Feb 03, 1975 Issue #34 Nov 07, 1974 Issue #35 Jan 02, 1975 Issue #36 Mar 06, 1975 Issue #37 May 08, 1975 Issue #38 Jul 03, 1975 Issue #39 Jul 03, 1975 Issue #40 Dec 01, 1975 Issue #41 Sep 04, 1975 Issue #42 Nov 06, 1975