Newcastle, M. C., & Firth, C. H. (1906). The life of William Cavendish, Duke of Newcastle: To which is added the true relation of my birth, breeding, and life (2nd ed.). Routledge.

Newcastle, Margaret Cavendish, and C. H. Firth. The Life of William Cavendish, Duke of Newcastle: To Which Is Added the True Relation of My Birth, Breeding, and Life. 2nd ed. Lond.: Routledge, 1906.

Newcastle, Margaret Cavendish, and C. H. Firth. The Life of William Cavendish, Duke of Newcastle: To Which Is Added the True Relation of My Birth, Breeding, and Life. 2nd ed. Routledge, 1906.