Selection of references used:
- 1: J.E.Neale, Queen Elizabeth, 1934
- 2: Alison Plowden, The House of Tudor, 1976, ISBN:0-7509-1890-X, Butler and Tanner (1976), Own Copy
- 3: Neville Williams, Henry VII
- 4: John T. Appleby, The Troubled Reign of King Stephen
- 5: A.T. Mann, Sacred Architecture, ISBN:1-85230-391-3, Element Books Limited, Own Copy
- 6: Steven Runciman, A History of the Crusades Volume II, 1966