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  Deutsche Biographie - Otto I.

  https://www.deutsche-biographie.de/gnd124104428.html#ndbcontent

  Deutsche Biographie

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  Category:Bikeways – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Bikeways?uselang=de

  Keine Beschreibung vorhanden.

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  The trail of a South Italian cavalryman's armour

  http://lootingmatters.blogspot.de/2007/09/trail-of-south-italian-cavalrymans.html

  Keine Beschreibung vorhanden.

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  American Vision of Harmony by Rachel Fletcher in the Nexus Network Journal vol. 5 no. 2 (Autumn 2003)

  http://www.emis.de/journals/NNJ/Fletcher-v5n2.html

  Taking Thomas Jefferson's design drawings for the University of Virgina as a basis for study, Rachel Fletcher explores the possibility that he incorporated incommensurable geometric proportions in his designs for the Rotunda. Nexus Network Journal vol. 5…

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