Burke, Bernard. A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978)
Douglas, Robert. The peerage of Scotland: containing an historical and genealogical account of the nobility of that kingdom, ... collected from the public records, and ancient chartularies of this nation, ... Illustrated with copper-plates.