de: |
Erster Weltkrieg (1914-1918) - Briefe und Briefwechsel |
en: |
First World War (1914-1918) - Letters and correspondence |
fr: |
Guerre mondiale 1914-1918 - Lettres et correspondance |
it: |
Guerra mondiale 1914-1918 - Lettere e carteggi |
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This subject is dealt with in the following entries: |
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