| 1913 |
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| 1915 |
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| 1917 |
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| 02 February |
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| | 1918-03-02-DE-001 | de en tr | From the Undersecretary of State in the Foreign Office (Bussche-Haddenhausen) to the Ambassador in Constantinople (Bernstorff) | |
| | 1918-03-03-DE-001 | de | Der Botschafter in Konstantinopel (Bernstorff) an das Auswärtige Amt | |
| | 1918-03-19-DE-001 | de en tr | Notes by the Foreign Office | |
| | 1918-03-20-DE-001 | de | Der Staatssekretär des Auswärtigen Amts (Kühlmann) an das Auswärtige Amt | |
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| 04 April |
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| 06 June |
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| 09 September |
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| 11 November |
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| 1919 |
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| 1921 |
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