„Fyrri heimsstyrjöldin“: Munur á milli breytinga
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Lína 119:
* Halpern, Paul G., ''A Naval History of World War I'' (1995).
* Hardach, Gerd, ''The First World War 1914-1918'' (1977).
* PUSSSYYY
* Joll, James, ''The Origins of the First World War'' (1984).
* Keegan, John, ''The First World War'' (1999).
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