Gregori IX (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Gregori IX" in Catalan language version.

refsWebsite

Global rank Catalan rank

1,849^th place

2^nd place

google.cat

books.google.cat

O'Callaghan, Joseph F. Reconquest And Crusade In Medieval Spain (en anglès). University of Pennsylvania Press, 2004, p.92. ISBN 0812218892.