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
Various
Max Planck
E. S. Keene
Bertha May Clark
Lucien Poincaré
Amos A. Fries and Clarence J. West
Sir Arthur Newsholme
William Ramsay
Victor Lefebure
H. de Graffigny
Mary Somerville
618 downloads
United States. Department of the Army
W. Mattieu Williams
Josef Rambousek
J. B. S. Haldane
Homer Greene
Samuel James Manson Auld
Great Britain. Medical Research Committee
Alessandro Volta
William Henry Bragg
Ernest Rutherford and Harriet Brooks
Johannes Robert Becher
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.