Pedro II Deliano da Bulgária (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pedro II Deliano da Bulgária" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

2books.google.com

3^rd place

6^th place

books.google.com

A world history of tax rebellions: an encyclopedia of tax rebels, revolts, and riots from antiquity to the present, David F. Burg, Taylor & Francis, 2004, ISBN 0415924987, pp. 74-75.
Southeastern Europe in the Middle Ages, 500-1250, Florin Curta, Cambridge University Press, 2006, ISBN 0521815398, pp. 282-283.