Arado: History of an Aircraft Company - Jörg Armin Kranzhoff - Google Books

http://books.google.de/books?id=w84pAQAAIAAJ&q=%22Walter+Rethel%22+1892&dq=%22Walter+Rethel%22+1892&hl=de&sa=X&ei=nNq3UYyDAvLV4A

The Arado Flugzeugwerke devoted twenty years to making aviation history in Potsdam-Babelsberg. Within the pages of this book the reader will find the first comprehensive history of Arado, including many previously unpublished details about this…