Pugh, T.B. (1988). Henry V and the Southampton Plot of 1415. Alan Sutton.
Richardson, Douglas (2011). Magna Carta Ancestry: A Study in Colonial and Medieval Families, ed. Kimball G. Everingham. Vol.I (Edisi 2nd). Salt Lake City. Pemeliharaan CS1: Lokasi tanpa penerbit (link)ISBN1449966373
Richardson, Douglas (2011). Magna Carta Ancestry: A Study in Colonial and Medieval Families, ed. Kimball G. Everingham. Vol.II (Edisi 2nd). Salt Lake City. Pemeliharaan CS1: Lokasi tanpa penerbit (link)ISBN1449966381
Richardson, Douglas (2011). Magna Carta Ancestry: A Study in Colonial and Medieval Families, ed. Kimball G. Everingham. Vol.IV (Edisi 2nd). Salt Lake City. Pemeliharaan CS1: Lokasi tanpa penerbit (link)ISBN1460992709