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  Clematis, the Genus: A Comprehensive Guide for Gardeners, Horticulturists ... - C. Grey-Wilson - Google Books

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

  Clematis is the most popular of all garden climbers, a popularity that is undoubtedly due to the astonishing range of varieties available. This new book stresses the species of Clematis, unlike The Gardener's Guide to Growing Clematis (page 27), which…

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  Schlossgarten Oldenburg: Geschichte und ästhetische Konzeption

  http://www.schlossgarten-oldenburg.de/th010.html

  Der Schlossgarten in Oldenburg (Olbg.): Informationen und virtuelle Besichtigungsmöglichkeiten

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  NETLEY CASTLE

  https://web.archive.org/web/20060925012850/http://www.archaeology.demon.co.uk/3132.htm

  Keine Beschreibung vorhanden.

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