Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Sir Walter Gilbey
Julia Ellen Rogers
William Swainson
Alfred Russel Wallace and Sir James Marchant
Gordon Stables
Enos A. Mills
United States. Department of the Interior
W. H. Hudson
William Kirby and William Spence
E. Raymond Hall
H. B. Guppy
Charles Waterton
John Gilmer Speed
Georg Brandes
James Buchanan
Henry M. Brooks and Lorin Low Dame
Various and Royal Society
François Huber
Joseph Trapp
Various
R. M. Ballantyne
J. A. Owen and Ottó Herman
John Dryden
James Oliver Curwood
Edward Sylvester Ellis
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.