Issue 51 January 1973
Issue 52 February 1973
Issue 53 March 1973
Issue 54 April 1973
Issue 55 May 1973
Issue 56 June 1973
Issue 57 July 1973
Issue 58 August 1973
Issue 59 September 1973
Issue 60 October 1973
Issue 61 November 1973
Issue 62 December 1973
