CORDA in Britain, mentioned by Ptolemy as one of the cities of the Selgovae. Identified, on scarcely sufficient grounds, with Cumnock, and with Castle Over, in Eskdale. [R.G.L]
Dictionary of Greek and Roman Geography, illustrated by numerous engravings on wood. William Smith, LLD. London. Walton and Maberly, Upper Gower Street and Ivy Lane, Paternoster Row; John Murray, Albemarle Street. 1854.