No. 820 December 1972*

No. 819 November 1972

No. 818 October 1972

No. 817 September 1972*

No. 816 August 1972*

No. 815 July 1972*

No. 814 June 1972

No. 813 May 1972*

No. 812 April 1972*

No. 811 March 1972

No. 810 February 1972

No. 809 January 1972*