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  Groundhog Day - Don Yoder - Google Books

  https://books.google.de/books?id=eFKO9FKPjOwC

  Explores the national phenomenon of Groundhog Day, opening with a look at the annual celebration in Punxsutawney. The author investigates the holiday's European origins, recounts the history of the groundhog as weather prognosticator in America -- from…

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  Decibel Magazine: Immortal

  https://web.archive.org/web/20090914035503/http://www.decibelmagazine.com/Content.aspx?ncid=329345

  Keine Beschreibung vorhanden.

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