Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Frank E. Beddard
Olivier Diraison-Seylor
Myrtle Reed
William S. Furneaux
William Penn
Sir E. Ray Lankester
Joseph Dalton Hooker
Henry David Thoreau
A. R. Harding
Edwin Tenney Brewster
L. H. Bailey
Honorio López
Jacob Abbott
Harrison Weir
Erasmus Darwin
Various
Carl Lumholtz
R. G. Latham, F. K. J. Shenton, Samuel Phillips, Edward Forbes, Richard Owen, and George Scharf
United States. National Park Service
Thorstein Veblen
Margaret Armstrong and J. J. Thornber
Alfred Russel Wallace
A. H. Evans
Stephen Leatherwood, David K. Caldwell, and Howard Elliott Winn
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.