J. J. Bagley, Margaret of Anjou, Queen of England. London: Herbert Jenkins, Ltd, 1948. This is outdated in some respects, but is probably the best of the older biographies of Margaret.
Anne Crawford, ed., Letters of the Queens of England, 1100–1547. Gloucestershire: Sutton, 2002 (paperback edition).
B. M. Cron, "The 'Champchevrier Portrait': A Cautionary Tale." The Ricardian (September 2001).
B. M. Cron, "The Duke of Suffolk, the Angevin Marriage, and the Ceding of Maine, 1445." Journal of Medieval History 20 (1994).
B.M. Cron, "Margaret of Anjou and the Lancastrian March on London, 1461." The Ricardian (December 1999).
Diana Dunn, "Margaret of Anjou, Queen Consort of Henry VI: A Reassessment of Her Role, 1445–53." In Rowena Archer, ed., Crown, Government and People in the Fifteenth Century. New York: St. Martin's Press, 1995.
Diana Dunn, "The Queen at War: The Role of Margaret of Anjou in the Wars of the Roses." In Diana Dunn, ed.,
War and Society in Medieval and Early Modern Britain. Liverpool University Press, 2000.
R. A. Griffiths, The Reign of King Henry VI. Gloucestershire: Sutton, 2004 (paperback edition).
Margaret Kekewich, The Good King: René of Anjou and Fifteenth Century Europe. Palgrave Macmillan: 2008.
This biography of Margaret's father contains much useful information about Margaret.
J. L. Laynesmith, The Last Medieval Queens. Oxford: Oxford University Press, 2005 (paperback edition).
Helen Maurer, Margaret of Anjou: Queenship and Power in Late Medieval England. Woodbridge:
The Boydell Press, 2003.
Further information on Margaret of Anjou