Constance, Duchess of Brittany (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Constance, Duchess of Brittany" in English language version.

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doi.org

Eales, Richard (2004). "Ranulf (III) [Ranulf de Blundeville], sixth earl of Chester and first earl of Lincoln (1170–1232), magnate". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/2716. Retrieved 29 September 2024. (Subscription or UK public library membership required.)

google.co.uk

books.google.co.uk

Judith Everard, Michael Jones. (1999) The Charters of Duchess Constance of Brittany and her Family (1171–1221). The Boydell Press. p. 38. ISBN 9780851157511.
Everard, Judith (2000). Brittany and the Angevins: Province and Empire, 1158-1203. Cambridge University Press. p 42. ISBN 9781139426558.

oxforddnb.com

Eales, Richard (2004). "Ranulf (III) [Ranulf de Blundeville], sixth earl of Chester and first earl of Lincoln (1170–1232), magnate". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/2716. Retrieved 29 September 2024. (Subscription or UK public library membership required.)