May 1972 Vol 1 No 1June 1972 Vol 1 No 2July 1972 Vol 1 No 3Aug 1972 Vol 1 No 4Sept 1972 Vol 1 No 5Oct 1972 Vol 1 No 6Nov 1972 Vol 1 No 7Dec 1972 Vol 1 No 8Jan 1973 Vol 2 No 1Feb 1973 Vol 2 No 2Mar 1973 Vol 2 No 3Apr 1973 Vol 2 No 4May 1973 Vol 2 No 5June 1973 Vol 2 No 6July 1973 Vol 2 No 7Aug 1973 Vol 2 No 8Sept 1973 Vol 2 No 9Oct 1973 Vol 2 No 10Nov 1973 Vol 2 No 11Dec 1973 Vol 2 No 12Jan 1974 Vol 3 No 1Feb 1974 Vol 3 No 2Mar 1974 Vol 3 No 3Apr 1974 Vol 3 No 4May 1974 Vol 3 No 5June 1974 Vol 3 No 6July 1974 Vol 3 No 7Aug 1974 Vol 3 No 8Sept 1974 Vol 3 No 9Oct 1974 Vol 3 No 10Nov 1974 Vol 3 No 11Dec 1974 Vol 3 No 12Jan 1975 Vol 4 No 1Feb 1975 Vol 4 No 2Mar 1975 Vol 4 No 3Apr 1975 Vol 4 No 4May 1975 Vol 4 No 5June 1975 Vol 4 No 6July 1975 Vol 4 No 7Aug 1975 Vol 4 No 8Sept 1975 Vol 4 No 9Oct 1975 Vol 4 No 10Nov 1975 Vol 4 No 11Dec 1975 Vol 4 No 12Jan 1976 Vol 5 No 1Feb 1976 Vol 5 No 2Mar 1976 Vol 5 No 3Apr 1976 Vol 5 No 4May 1976 Vol 5 No 5June 1976 Vol 5 No 6July 1976 Vol 5 No 7Aug 1976 Vol 5 No 8Sept 1976 Vol 5 No 9Oct 1976 Vol 5 No 10Nov 1976 Vol 5 No 11Dec 1976 Vol 5 No 12Jan 1977 Vol 6 No 1Feb 1977 Vol 6 No 2Mar 1977 Vol 6 No 3Apr 1977 Vol 6 No 4May 1977 Vol 6 No 5June 1977 Vol 6 No 6July 1977 Vol 6 No 7Aug 1977 Vol 6 No 8Sept 1977 Vol 6 No 9Oct 1977 Vol 6 No 10Nov 1977 Vol 6 No 11Dec 1977 Vol 6 No 121978 to 1983