Ricketts, P. (2010). High-ranking widows in medieval Iceland and Yorkshire: Property, pwer, marriage ad identity in the twelfth and thirteenth centuries. Brill.
Dyfyniad Arddull ChicagoRicketts, Philadelphia. High-ranking Widows in Medieval Iceland and Yorkshire: Property, Pwer, Marriage Ad Identity in the Twelfth and Thirteenth Centuries. Leiden: Brill, 2010.
Dyfyniad MLARicketts, Philadelphia. High-ranking Widows in Medieval Iceland and Yorkshire: Property, Pwer, Marriage Ad Identity in the Twelfth and Thirteenth Centuries. Brill, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.