Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Sylvanus Griswold Morley
Zelia Nuttall
Cyrus Thomas
Ernst Wilhelm Förstemann
Daniel G. Brinton
Charles P. Bowditch
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.