Issue #1 May 30, 1972 Issue #2 Jul 27, 1972 Issue #3 Sep 28, 1972 Issue #4 Nov 23, 1972 Issue #5 Jan 30, 1973 Issue #6 Mar 27, 1973 Issue #7 May 29, 1973 Issue #8 Jul 31, 1973 Issue #9 Sep 25, 1973 Issue #10 Nov 29, 1973 Issue #11 Jan 29, 1974 Issue #12 Mar 26, 1974 Issue #13 May 28, 1974 Issue #14 Jul 25, 1974 Issue #15 Sep 24, 1974 Issue #16 Nov 26, 1974 Issue #17 Jan 21, 1975 Issue #18 Feb 20, 1975 Issue #19 Mar 18, 1975 Issue #20 Apr 22, 1975