Helfenstein (casata) (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Helfenstein (casata)" in Italian language version.

refsWebsite
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arcor.de

home.arcor.de

retrobibliothek.de

  • Namenwappen. In: Meyers Konversations-Lexikon, 4. Auflage, 11. Band: Luzula – Nathanael, 1885–1892. ([1])(DE)

web.archive.org

worldroots.com