Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Louis Agassiz and Elizabeth Cabot Cary Agassiz
Robert Hunt
Hugh Miller
Various
932 downloads
929 downloads
Sir Charles Lyell
Miguel Saderra Masó
William Harmon Norton
Thomas Henry Huxley
A. C. Seward
G. Hartwig
Ernest Spon
John L. Ridgway
Alfred Wegener
John Timbs
George Frederick Kunz
807 downloads
Geological Survey
John C. Reed and J. D. Love
Alfred Russel Wallace
Henry Crocker Kittredge
782 downloads
779 downloads
William Henry Matthews
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.