Burkhard I, Lord of Zollern (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Burkhard I, Lord of Zollern" in English language version.

refsWebsite

Global rank English rank

1manfred-hiebl.de

low place

low place

6^th place

6^th place

1digitale-sammlungen.de

958^th place

1,915^th place

archive.org

Schmid, Ludwig (1862). Geschichte der Grafen von Zollern-Hohenberg. Google Books: Gebrüder Scheitlin. p. XXV. Retrieved February 1, 2013. {{cite book}}: |work= ignored (help)

digitale-sammlungen.de

daten.digitale-sammlungen.de

Schultze, Johannes; Seigel, Rudolf (1972). "Hohenzollern, Dynastengeschlecht". Neue deutsche Biographie, Bd.: 9, Hess - Hüttig, Berlin. Bayerische Staatsbibliothek. Retrieved January 30, 2013.

manfred-hiebl.de

"Burkhard I. von Zollern ("de Zolorin")". Retrieved January 30, 2013.