↑ From Sir Philip Sidney's letter to Elizabeth I on the subject of Anjou (1579), in Katherine Duncan-Jones and Jan van Dorsten, eds, Miscellaneous prose of Sir Philip Sidney (1973) pp. 46-57
↑ After Anjou's death, she made a present of them in 1589 on the occasion of the wedding of her grand-daughter, Christina of Lorraine, to Ferdinand I, Grand Duke of Tuscany; they remain at the Uffizi.
↑ see Jean Heritière, Catherine di Medici, Allen and Unwin, p397
↑ Strange, Mark (1976). Women of power: the life and times of Catherine dé Medici. Harcourt Brace Jovanovich. p. 273. ISBN0151983704.
