[en] [Gutenberg 51481] • Flying Machines Today Createspace Independent Publishing Platform
[en] [The Bizarre Baron Inventions 01] • The Magnificent Flying Baron Estate Amberjack Publishing
[en] 101 Amazing Facts About the First World War Auk Authors
[nl] [Gutenberg 20060] • Gevleugelde Daden: Avonturen der Eerste Hollandsche Luchtschippers Quality Classics
[en] Flight of the Tiger Moth Coteau Books
[en] A Dreamer's Knight Michael James Wilbur