Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Russell H. Conwell
Lee R. Dice and Harley Bakwel Sherman
Winthrop Packard
Cosmos Mindeleff
George Vivian Poore
E. E. Fournier d'Albe
Alfred Russel Wallace
Various
John Ayrton Paris
W. D. Fellowes
J. W. Rockey and Joseph Winslow Simons
William Gilpin
Richard H. D. Boerker
Henry S. Fitch and Lewis L. Sandidge
H. G. Hampton
José Sourryère de Souillac
Natt N. Dodge
L. Mark Raab and Randall W. Moir
George M. Warren
Donna P. Bessken
United States. National Conservation Congress
William Parr Capes and Jeanne Daniels Carpenter
David E. Lantz
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.