Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Robert Green Ingersoll
A. G. Gardiner
Isaac Barrow
Various
Julian Sharman
Joanna H. Mathews
T. S. Arthur
Robert Graves
Stephen Hawes
Benj. F. Cobb
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.