 Langton edited for the Chetham Society three volumes of "Chetham Miscellanies" 1851, 1856, 1862; "Lancashire Inquisitions Post Mortem", 1875; and Thomas Benolt's "The Visitation of Lancashire and a Part of Cheshire" of 1533, 2 vols.1876–82.To the Manchester Statistical Society Langton contributed in 1857 a paper on the "Balance of Account between the Mercantile Public and the Bank of England", and in 1867 a presidential address.