Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Jean-Henri Fabre
Sir E. Ray Lankester
J. G. Millingen
A. Calmette
A. R. Harding
A. Mueller
Various
Benoît Mure
Natt N. Dodge
Austin Loomer Rand
Remy de Gourmont
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.