↑ Coad 2000, p. 26; "Design for Henrician castle on the Kent coast", British Library, retrieved 29 June 2016 ↑ Thompson 1987, p. 111; Hale 1983, p. 63 ↑ King 1991, pp. 176–177 ↑ Morley 1976, p. 7 ↑ Hale 1983, p. 63; Harrington 2007, p. 5 ↑ Morley 1976, p. 7; Hale 1983, pp. 63–64 ↑ Hale 1983, p. 66; Harrington 2007, p. 6 ↑ Harrington 2007, p. 11; Walton 2010, p. 70 ↑ Saunders 1963, p. 4 ↑ King 1991, p. 178; Harrington 2007, p. 16; Coad 2000, p. 22 ↑ Harrington 2007, p. 16 ↑ Harrington 2007, p. 8 ↑ Biddle et al.