^ a b c dBurke, John (1838). A Genealogical and Heraldic History of the Extinct and Dormant Baronetcies of England. Scott, Webster & Geary. p. 270.
^Freeman, Jane; Stevenson, Janet H. (1987). "Berwick St. Leonard". In Crowley, D. A. (ed.). A History of the County of Wiltshire, Volume 13. Victoria County History. University of London. pp. 100–105. Retrieved 24 November 2021 – via British History Online.
^Cokayne, George Edward, ed. (1903), Complete Baronetage volume 3 (1649-1664), vol. 3, Exeter: William Pollard and Co, p. 45, retrieved 9 October 2018
^"Howe, George Grobham (c.1627-76), of Berwick St. Leonard, nr. Hindon, Wilts., History of Parliament Online". www.historyofparliamentonline.org.
^"Howe, Sir James, 2nd Bt. (c.1669-1736), of Berwick St. Leonard, nr. Hindon, Wilts., History of Parliament Online". www.historyofparliamentonline.org.