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Air Monster
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Air Service boys flying for France
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Air Service Boys Flying for Victory; Or, Bombing the Last German Stronghold
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Air Service Boys in the Big Battle; Or, Silencing the Big Guns
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Air Service Boys over the Atlantic; Or, The Longest Flight on Record
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Air Service Boys Over the Enemy's Lines; Or, The German Spy's Secret
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Air Service Boys Over the Rhine; Or, Fighting Above the Clouds
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Aircraft
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Aircraft and Submarines / The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons
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Aircraft in war
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