The Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom. 1887–98 (8 vols); 1910–59 (13 vols). 6 vols. Gloucester: Alan Sutton, 1982.
Page, William, ed. The Victoria History of the County of Northhampton. Victoria History of the Counties of England. 5 vols.. London: U of London, Institute of Historical Research, 1902-.
Page, William, ed. The Victoria History of the County of Warwick. The Victoria History of the Counties of England. 8 vols. London: Archibald Constable & Co. [vols 1-–2]; Oxford UP [vols 3-–8], 1904–8 [vols 1–2]; 1945–69 [vols 3–8].
