who was the cover artist of a useless death also wrote conflict & catalysis: productions & arrangements 1966-2006 ?
SELECT DISTINCT var_uri where brack_open dbr_A_Useless_Death dbo_coverArtist var_uri sep_dot dbr_Conflict_&_Catalysis:_Productions_&_Arrangements_1966-2006 dbp_writer var_uri brack_close