Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
E. T. A. Hoffmann
Friedrich Dannemann
Freiherr von Ludwig Achim Arnim
Alexander von Humboldt
Marie Curie
Johannes Rudolf Wagner
Ludwig Reinhardt
Christoph Martin Wieland
Waldemar Bonsels
Christian Keferstein
Richard Michaelis
Erwin Baur, Eugen Fischer, and Fritz Lenz
Alfred Döblin
Alejandro Lipschütz
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Ernst Haeckel
Rudolf Virchow
Michael Faraday
Charles Darwin
Wilhelm Weltner, Ludwig Plate, F. A. Forel, W. Migula, Friedrich Ludwig, August Gruber, and Julius Vosseler
Karl Alfred von Zittel
Franz Paul Liesegang
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.