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  Revolutionary Ethiopia: From Empire to People's Republic - Edmond J. Keller - Google Books

  http://books.google.de/books?id=2ts7ErVABO0C

  "... an excellent, comprehensive account of the Ethiopian revolution... essential for anyone who wishes to understand revolutionary Ethiopia." —Perspective"This masterly history deals with the Emperor and the Dergue... on their own terms.... [Keller]…

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  Ethiopia: The Modernization of Autocracy - Robert L. Hess - Google Books

  http://books.google.de/books?id=coByAAAAMAAJ

  Keine Beschreibung vorhanden.

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  HAMMERSCHMIDT, Ernst Eduard Maria

  https://web.archive.org/web/20110417194324/http://www.bautz.de/bbkl/h/hammerschmidt_e_e_m.shtml

  Keine Beschreibung vorhanden.

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