Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Claude Bernard
Charles Darwin
Georges Gibault
Jean-Henri Fabre
Paul Dumée
Jean M. Pérez
Alfred Moquin-Tandon
Auguste Chevalier and Mission Chari-Lac Tchad
Joseph Bertrand
Various
Maurice Maeterlinck
René Martin
Albert Coste
A. Rançon
Ernst Haeckel
E. Cosson
Émile Hureau
François Le Vaillant
Emile Bouant
A. Letourneux
Joseph Vallot
Emile Corra
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.