Mainly printed papers relating to the construction and maintenance of roads, railways and bridges, notably at Pont Cysyllte, Llangollen and the Denbighshire county boundaries, 1664; proposals for a turnpike road from Llangynog in Montgomeryshire to Traeth Mawr and thence to Porth Dinllaen, [1719x1767]; Acts of Parliament, orders, a petition and letter concerning roads from [Welsh]pool to Wrexham, Knockin to Llanrhaeadr-ym-Mochnant, Shrewsbury to Bangor Ferry, Shrewsbury to Holyhead, the Porkington road, and roads in the Oswestry district, [c. 1762], 1793-1835; and reports and a prospectus for the railway companies of Whitehaven and Furness Junction, Newry and Enniskillen, Central Wales, Newport, Abergavenny and Hereford, and Carnarvonshire, 1855-1858.