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The Serbian army retreating through the mountains of Albania, World War I, Stock Photo, Picture And Rights Managed Image. Pic. DAE-BA044573 | agefotostock
Bulgarian army hi-res stock photography and images - Alamy
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The Cockpit of Europe: wars, battles, and military history of the Balkans and the Balkan peoples
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Balkan war bulgarian army 1912 hi-res stock photography and images - Alamy
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