Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Charles Frederick Kroeh
C. Semper
Friedrich Dannemann
Marie Curie
Michael Faraday
Ernst Haeckel
Franz Paul Liesegang
Robert Musil
Hans Reichenbach
Friedrich Blass
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B.G. Teubner
August Heinrich Christian Gelpke
Wilhelm Winter
Otto Lilienthal
Hermann Hoernes
Fritz Kahn
M. W. Meyer
Immanuel Kant
Wilhelm Max Wundt
Wilhelm Bölsche
Otto Ule
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.