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Are you Detlef Felken, author of the books below?
Oswald Spengler. Konservativer Denker zwischen Kaiserreich u.... by Detlef Felken Ein Buch, das mein Leben verändert hat by Detlef Felken Dulles und Deutschland by Detlef Felken The Decline of the West by Oswald Spengler


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