Foster, Joseph, ed. Pedigrees Recorded at the Heralds' Visitations of the Counties of Cumberland and Westmorland, made by Richard St George, Norroy King of Arms in 1615, and by William Dugdale, Norroy King of Arms in 1666. Carlisle: C. Thurnam & Sons, [1891?].
Jackson, W. The Curwens of Workington Hall and Kindred Families. Kendal: T. Wilson, [1880].
Oxford Dictionary of National Biography. 01/05/2005 (http://www.oxforddnb.com)
