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  The Glaciers of the Alps: Being a Narrative of Excursions and Ascents, an ... - John Tyndall - Google Books

  https://books.google.de/books?id=S2T_qqvbPbgC

  John Tyndall (1820-93) was an influential Irish geologist who became fascinated by mountaineering after a scientific expedition to Switzerland in 1856. He joined the Alpine Club in 1858 and achieved the summit of the Matterhorn in 1868 - a feat which led…

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  Lockheed Martin F-22 Raptor – Wikimedia Commons

  https://commons.wikimedia.org/wiki/F-22_Raptor?uselang=de

  Keine Beschreibung vorhanden.

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  Deutsche Biographie - Reich, Ferdinand

  https://www.deutsche-biographie.de/gnd118599089.html#ndbcontent

  Deutsche Biographie

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