Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
F.L.S. John Watson
Elijah Kellogg
Natt N. Dodge
Upton Sinclair
Honoré de Balzac
William Senior
Holman Day
Robert Tyas
Various
I. I. Hayes
Charles Darwin
United States. National Park Service. Division of Publications and Robert Finch
F. Edward Hulme, Robert Hunt, active 1851-1872 Samuel Joseph Mackie, and James Glaisher
Duchess of Margaret Cavendish Newcastle
Ernest Ingersoll
J. H. Emerton
Alexander Morrison Stewart
Richard Jefferies
John Burroughs
Winthrop Packard
Edward Step
Thomas Henry Huxley
Rufus Merrill
Dallas Lore Sharp
R. M. Ballantyne
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.