Issue #51 Dec 31, 1959 Issue #52 Jan 31, 1960 Issue #53 Feb 29, 1960 Issue #54 Mar 29, 1960 Issue #55 Apr 30, 1960 Issue #56 May 28, 1960 Issue #57 Jun 28, 1960 Issue #58 Jul 29, 1960 Issue #59 Sep 04, 1960 Issue #60 Oct 05, 1960 Issue #61 Nov 06, 1960 Issue #62 Dec 15, 1960 Issue #63 Jan 05, 1961 Issue #64 Feb 02, 1961 Issue #65 Mar 02, 1961 Issue #66 Mar 30, 1961 Issue #67 Apr 27, 1961 Issue #68 May 25, 1961 Issue #69 Jun 29, 1961 Issue #70 Jul 28, 1961