Joanna (hrabina Ponthieu) (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Joanna (hrabina Ponthieu)" in Polish language version.

refsWebsite

Global rank Polish rank

low place

557^th place

low place

7,335^th place

google.pl

books.google.pl

Douglas Richardson: Plantagenet Ancestry: A Study in Colonial and Medieval Families. Wyd. 2. T. I. 2011, s. 495. ISBN 1-4499-6631-4.
Sara Cockerill: Eleanor of Castile: The Shadow Queen. Stroud: Amberley Publishing, 2014, s. 30–35, 41, 47, 290–291. ISBN 978-1-4456-3589-7.

ww-person.com

Jeanne de Dammartin Comtesse de Ponthieu et d'Aumale. [w:] WW-Person [on-line]. [dostęp 2018-10-22].