Ducat de Berg (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ducat de Berg" in Catalan language version.

refsWebsite

Global rank Catalan rank

1,849^th place

2^nd place

google.cat

books.google.cat

Pixton, Paul B. The German episcopacy and the implementation of the decrees of the Fourth Lateran Council : 1216–1245 : watchmen on the tower. Leiden u.a.: Brill, 1995, p. 210. ISBN 978-9004102620.
Butler, Alban; Burns, Paul. Butler's Lives of the Saints.. New full. Collegeville (Minn.): Liturgical Press, 2000, p. 56. ISBN 978-0814623879.
Encyclopædia Britannica: or, A dictionary of arts, sciences, and miscellaneous literature, enlarged and improved, Volume 3. Google e-books, p. 570.