Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Charles Darwin
Ernst Haeckel
Lewis Henry Morgan
Charles Morris
Thomas Henry Huxley
Charlotte Perkins Gilman
Sir Charles Lyell
Grant Allen
Théophile Pascal
Wallace West
Edward Carpenter
George John Romanes
Jr. Horatio Alger and William Rounseville Alger
Geo. W. Warder
F. Matthias Alexander
Robert Abernathy
Henry A. Mott
J. Howard Moore
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.