Subject
6 free books about airships, free to read online. Chapter 1 of any book is free, no account needed.
Dirigible Balloons
Charles B. Hayward
Zeppelin: The Story of a Great Achievement
Harry Vissering
My Airships; The Story of My Life
Alberto Santos-Dumont
Balloons, Airships, and Flying Machines
Gertrude Bacon
Omhoog in het luchtruim! Praatje over het luchtvaartvraagstuk De Aarde en haar Volken, 1908
Frederike van Uildriks
Aeolus; Or, the Future of the Flying Machine
Stewart, Oliver, Major
