Roberto I da Normandia (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Roberto I da Normandia" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

2,575^th place

976^th place

1books.google.com

3^rd place

6^th place

books.google.com

Burke, John Bernard (1852). The Royal Families of England, Scotland, and Wales, with Their Descendants, Sovereigns and Subjects. [S.l.]: BiblioBazaar (2009). p. ii–iii, Section V. ISBN 1115404474

fmg.ac