Franz Oppenheimer Quotes
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Franz Oppenheimer (1923). “The State: Its History and Development Viewed Sociologically”, p.15, Transaction Publishers
Franz Oppenheimer (1923). “The State: Its History and Development Viewed Sociologically”, p.25, Transaction Publishers
Franz Oppenheimer (2017). “The State: Its History and Development Viewed Sociologically”, p.15, The Floating Press