↑ David Lourdes(2012) The Tudors:History of a Dynasty, p 3
↑ Jones, Michael K.; Underwood, Malcolm G. The King's Mother: Lady Margaret Beaufort, Countess of Richmond and Derby, Cambridge University Press 1993 ISBN0-521-44794-1 p.41
↑ Jones & Underwood, Michael & Malcolm (1985). "LADY MARGARET BEAUFORT". History Today. 35: 25 – via JSTOR.
↑ Gristwood, Sarah (2013). Blood Sisters: The Women Behind the Wars of the Roses. New York: Basic Books. pp. 257–9.
↑ King Henry VII (n.d.) King Henry VII to his mother, Margaret Countess of Richmond. In Original letters illustrative of English history; including numerous royal letters; from autographs in the British Museum, the State Paper office, and one or two other collections, edited by Sir Henry Ellis. Truy cập ngày 8 tháng 4 năm 2020.
↑ Gristwood, Sarah (2013). Blood Sisters: The Women Behind the Wars of the Roses. New York: Basic Books. p. 258.
↑ Harris, Barbara (1990). "Women and Politics in Early Tudor England". The Historical Journal. 33: 269 – via JSTOR.
↑ Gristwood, Sarah (2013). Blood Sisters: The Women Behind the Wars of the Roses. New York: Basic Books. p. 281.
↑ Gristwood, Sarah (2013). Blood Sisters: The Women Behind the Wars of the Roses. New York: Basic Books. p. 310.
↑ Gristwood, Sarah (2013). Blood Sisters: The Women Behind the Wars of the Roses. New York: Basic Books. p. 316.
↑ “Margaret Beaufort”. Westminster Abbey Official site. Truy cập ngày 22 tháng 8 năm 2013.
↑ Wyatt, Michael, The Italian Encounter with Tudor England: A Cultural Politics of Translation, Cambridge University Press, 2005, p. 47.
↑ John Hymers biên tập (1840), The Funeral Sermon of Margaret, Countess of Richmond and Derby, Mother to Henry VII, and Foundress of Christ's and St John's College in Cambridge, Preached by Bishop Fisher in 1509, Cambridge University Press
