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Smith, Ron, (2012)
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Economic, political, and social determinants of peace
Huang, Sterling, (2011)
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Make concentrated trade not war?
Yakovlev, Pavel, (2022)
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Three peace congresses of the nineteenth century
Hazen, Charles Downer, (1917)
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Coolidge, Archibald Cary, (1917)
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The new Balkans : With an introd. by Archibald Cary Coolidge
Armstrong, Hamilton Fish, (1927)
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