Webster's New World: American Idioms Handbook
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A Study of History - Volume 10 - Contacts between Civilizations ...
Arnold J. Toynbee
The Practice of English Language Teaching, 3rd Edition
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Time and the Observer - Paper
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Man and Technics: A Contribution to a Philosophy of Life
Oswald Spengler
Die geniale Bewegungskraft: physikalische Grundlagen der Biotechnik
Viktor Schauberger