The section comprises the administrative and financial records of the branch, 1980-1991.

A notice from the Wrexham, Mold, and Connah's Quay Railway Company to Henry Robertson, M.P., and Benjamin Piercy to treat concerning certain lands in Wrexham, 8 August 1885; a mortgage, 1 December 1886, from H. Robertson to B. Piercy of land at Wepre in Hawarden and Northop; an agreement, 5 December 1887, between Messrs. Robertson and Piercy and the London and North Western Railway Company for the sale and purchase of lands in Northop; a letter from Messrs. McKenzie & Holland, Worcester, to W. Davies, Wrexham, concerning Pen-y-ffordd signalling, 14 January 1888; specifications for fencing and level crossing gates, 1888; an agreement, 14 June 1888, between the Wrexham, Mold, and Connah's Quay Railway Company, and the Wirral Railway Company, and the Seacombe, Hoylake, and Deeside Railway Company, for mutual running powers; an agreement, 25 July 1889, between (1) The River Dee Company, (2) the Right. Hon. Elizabeth Dowager Baroness Wenlock, and the Hon. Caryl Craven Molyneux, (3) the Credit Company Ltd., (4) Hubert Barrow Doo and Horatio Nelson Williams, and (5) the Wrexham, Mold, and Connah's Quay Company, concerning lands in Northop and Hawarden; a brief on behalf of the promoters of the Wirral Railway (No. 3) Bill, 1790; an agreement, 15 July 1890, between Francis George Whitwham, Edmund Bowen Bernard, Henry Egerton Piercy and the Railways and General Company Ltd. for the sale and purchase of railway stock; an agreement, 22 September 1891, between the Cambrian Railway, the Wrexham and Ellesmere Railway, the Wrexham, Mold, and Connah's Quay Railway, and the Manchester, Sheffield, and Lincolnshire Railway companies as to the running powers; forms for underwriting the capital of the Wrexham and Ellesmere Railway Company, and a copy of the Report of the Directors and Statements of Accounts of the company, 1892, and a note on the Brymbo and Mold line, 1865-1866.

Particulars of properties in Wrexham affected by the Wrexham, Mold, and Connah's Quay Railway (Railway No. 1) Act, 1882, and the Wrexham and Ellesmere Railway Act, 1885.

Tair llawysgrif, [16 gan.]-1650, o lyfrgell y Parch. R. Peris Williams, Wrecsam, yn cynnwys barddoniaeth, achau, ryseitiau meddygol a thractiau eglwysig. = Three manuscripts, [16 cent.]-1650, from the library of the Rev. R. Peris Williams, Wrexham, containing poetry, pedigrees, medical recipes and ecclesiastical tracts.