Bolko I of Opole (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bolko I of Opole" in English language version.

refsWebsite

Global rank English rank

14^th place

14^th place

low place

low place

3,175^th place

5,431^st place

archive.today

Genealogical database by Herbert Stoyan

euweb.cz

genealogy.euweb.cz

Marek, Miroslav. "Genealogy of the House of Rurik". Genealogy.EU.^{[self-published source]}.^{[better source needed]}

pther.net

Dmochowski, Piotr; Sikorski, Andrzej (2010). "[rev.:] Jerzy Horwat, Piastowie górnośląscy, Bytom 2007" (PDF). Rocznik Polskiego Towarzystwa Heraldycznego. 9 (20): 158.