1
Published: Konstanz : Reuß & Itta
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2
Published: München : Hochschul-Verl
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3
Published: Berlin : Ernst Siegfried Mittler und Sohn, Königliche Hofbuchhandlung, 1907-1932
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4
Published: Washington, D.C. : Carnegie Endowment for International Peace
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5
Published: Paris : Bossard
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6
Published: München : Bruckmann
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7
Published: Leipzig : Verl. Naturwiss
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8
Published: Berlin : Heymann
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9
Published: Stuttgart : Bonz
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10
Published: Berlin : Kulturliga
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11
Published: Berlin : Deutschnationale Schriftenvertriebsstelle, (1919) - 1920
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12
Published: Berlin : Rowohlt
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13
Published: Berlin : Verl. d. Kulturliga
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14
Published: M. Gladbach : Sekretariat Sozialer Studentenarbeit
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15
Published: Berlin : Stilke
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16
Published: Berlin : Hobbing
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17
Published: Berlin : Verl. der Beiträge zur Kriegswirtschaft
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18
Published: Weimar : Duncker
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19
Published: München : Lehmann
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20
Published: Gotha : Perthes
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