| The Boy Allies with the Victorious Fleets; Or, The Fall of the German Navy |
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| The Boy Allies in the Balkan Campaign; Or, the Struggle to Save a Nation |
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| The Boy Allies on the Firing Line; Or, Twelve Days Battle Along the Marne |
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| The Boy Allies in the Trenches; Or, Midst Shot and Shell Along the Aisne |
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