Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
David Livingstone
John Oxenham
Eva March Tappan
Mark Twain
Robert Green Ingersoll
John Gibson Paton
Albert Schweitzer
George Smith
John Hayward
Various
Basil Mathews
W. P. Livingstone
James P. Boyd
George Henry Blore
Carter Godwin Woodson
Mabel Williamson
Edward Judson
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.