No. 999 November 1987

No. 998 October 1987

No. 997 September 1987

No. 996 August 1987*

No. 995 July 1987*

No. 994 June 1987

No. 993 May 1987

No. 992 April 1987

No. 991 March 1987*

No. 990 February 1987*

No. 989 January 1987*

No. 1000 December 1987*