Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Charles Darwin
Ernst Haeckel
Oskar Pfungst
Francis Galton
Thomas Henry Huxley
Charles Morris
Sir Charles Lyell
Annette Fiske
George S. Huntington
L. H. Bailey and Walter Moore Coleman
Thomas Hoover
Royal Dixon
J. G. Wood
George John Romanes
Carveth Read
Loudon M. Douglas
Xavier Bichat
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.