Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Charles Frederick Kroeh
Edmund O. von Lippmann
Johannes Rudolf Wagner
Michael Faraday
Oskar Nagel
C. Remigius Fresenius
Ludwig Wunder
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.