Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Philip Henry Gosse
Charles Darwin
Willard Neal
William Caruthers
Hugh Miller
G. F. Browne
baron Georges Cuvier
George Frederick Kunz
Illinois State Geological Survey
Alexander von Humboldt
716 downloads
Stanley William Lohman
Herbert Spencer
Gideon Algernon Mantell
693 downloads
James Hutton
Sir John William Dawson
Alexander Clark Bullitt
Charles Kingsley
Geological Survey
Henry Crocker Kittredge
James Geikie
Louis Figuier
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.