Issue #37 Jul 01, 1957 Issue #38 Oct 01, 1957 Issue #39 Jan 01, 1958 Issue #40 Apr 01, 1958 Issue #41 Jul 01, 1958 Issue #42 Issue #43 Issue #44 Apr 01, 1959 Issue #45 Jul 01, 1959 Issue #46 Oct 01, 1959 Issue #47 Nov 17, 1959 Issue #48 Feb 11, 1960 Issue #49 May 19, 1960 Issue #50 Aug 04, 1960 Issue #51 Nov 01, 1960 Issue #52 Issue #53 Apr 13, 1961 Issue #54 Jul 13, 1961 Issue #55 Issue #56