• 

  Poverty Point: The First Complex Delta Culture

  https://web.archive.org/web/20131207234411/http://www.deltablues.net/jon.html

  Keine Beschreibung vorhanden.

• 

  Poverty Point: The First Complex Delta Culture

  http://wayback.archive.org/web/20131207234411/http://www.deltablues.net/jon.html

  Keine Beschreibung vorhanden.

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