↑ Janna Bianchini (2012), The Queen's Hand: Power and Authority in the Reign of Berenguela of Castile, University of Pennsylvania Press, ISBN 9780812206265
↑ Shadis, Miriam (2010). Berenguela of Castile (1180–1246) and Political Women in the High Middle Ages. Palgrave Macmillan.ISBN 978-0-312-23473-7, p. xix.
↑ Shadis, Miriam (2010). Berenguela of Castile (1180–1246) and Political Women in the High Middle Ages. Palgrave Macmillan.ISBN 978-0-312-23473-7, p. 70.
↑ Shadis, Miriam (2010). Berenguela of Castile (1180–1246) and Political Women in the High Middle Ages. Palgrave Macmillan.ISBN 978-0-312-23473-7, p. 348.
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