Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Elizabeth Blackwell
Albert Einstein
Thomas Henry Huxley
H. A. Lorentz
Birney C. Batcheller
John Tyndall
Mary L. Read
Hugo Magnus
Benjamin Harrow
G. S. Weaver
Alexander Moszkowski
George Washington Crile
Michael Faraday
John Wesley Powell, Grove Karl Gilbert, Clarence E. Dutton, A. H. Thompson, and Willis Drummond
Sydney J. Hickson
Anna M. Galbraith
Thomas Greenhill
Louis Couturat, Wilhelm Ostwald, Otto Jespersen, Leopold Pfaundler von Hadermur, and Richard Lorenz
Hermann Weyl
Daniel Kirkwood
William F. Denning
Mary Somerville
Henry Calderwood
Lady Hester Stanhope
Hudson Tuttle
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.