Books by Porter, Horace (sorted by popularity)
- Alias Hart, Horace Porter Biddle De
- Alias De Hart, Horace Porter Biddle
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Displaying results 1–3
- Our Young Aeroplane Scouts in Germany; or, Winning the Iron Cross Horace Porter 125 downloads
- Our Young Aeroplane Scouts in Russia; or, Lost on the Frozen Steppes Horace Porter 60 downloads
- Our Young Aeroplane Scouts in France and Belgium Horace Porter 57 downloads
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Displaying results 1–3