Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Isaac Newton
Carl von Linné
John Caius
Leonhard Rauwolf and John Ray
Georg Forster
Charles Louis L'Héritier de Brutelle
James Edward Smith
Herman Boerhaave
Stephan Endlicher
friherre Jöns Jakob Berzelius
Hieronymus David Gaubius
Bernardino Ramazzini, Giovan Battista Boccabadati, and Francesco Torti
Daniel Bernoulli
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.