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Boy Scouts in the Canal Zone; Or, The Plot Against Uncle Sam
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Boy Scouts on Hudson Bay; Or, The Disappearing Fleet
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Boy Scouts in the Philippines; Or, The Key to the Treaty Box
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Boy Scouts on Motorcycles; Or, With the Flying Squadron
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Boy Scouts in a Submarine; Or, Searching an Ocean Floor
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Boy Scouts in Mexico; Or, On Guard with Uncle Sam
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