William Cavendish, 4th Duke of Devonshire
Duke of Devonshire is a title in the Peerage of England held by members of the aristocratic Cavendish family. This branch of the Cavendish family has been one of the richest and most influential aristocratic families in England since the 16th century, and have been rivalled in political influence perhaps only by the Earls of Derby and the Marquesses of Salisbury.
- Pearson, John. The Serpent and the Stag. Holt, Rinehart, & Winston, 1984.
- Kidd, Charles, Williamson, David (editors). Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, 1990.