Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
William J. Jackman, Thomas Herbert Russell, and Octave Chanute
Albert Francis Zahm
John M. Bacon
Roald Amundsen and Lincoln Ellsworth
Thomas Baldwin
Gaston Tissandier
Robert Hardley
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.
