Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Willis E. Tower, Charles H. Smith, Charles M. Turton, and Thomas D. Cope
Henri Poincaré
Bertrand Russell
Alexander Philip
James Clerk Maxwell
William George Hooper
A. E. Dolbear
Balfour Stewart
active 1883-1912 James Weir
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.