Balloons, Airships, and Flying Machines

Balloon observation, and instructions on the subject of work in the basket

Langley Memoir on Mechanical Flight, Parts I and II Smithsonian Contributions to Knowledge, Volume 27 Number 3, Publication 1948, 1911

My Airships; The Story of My Life

Heroic airmen and their exploits

Aeolus; or, the future of the flying machine

Omhoog in het luchtruim! Praatje over het luchtvaartvraagstuk De Aarde en haar Volken, 1908

Benjamin Franklin and the First Balloons

Die Luftschiffahrt der Gegenwart

Lecture on Artificial Flight Given by request at the Academy of Natural Sciences

Learning to Fly: A Practical Manual for Beginners

My life and balloon experiences