||DUFF, THOMAS J. 
||CO. DOWN, NEWRY, DOWNSHIRE ROAD, IMPROVEMENTS
||New church, terraces (including Belmont Tce) and villas, for Marquess of Downshire.
Several copies of engraved 'Plan of the proposed improvements on the estate of the Most Noble the Marquis of Downshire at Newry 1844' and accompanying bird's eye view in PRONI D671/P9/3/1-17 and D671/P9/4/1-17(information from Christine Casey); Paul Larmour, 'That eminent and tasteful architect', Perspective7, No. 1 (Sep/Oct 1998), 62