Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Paul Otlet and Henri La Fontaine
John A. White
Robert S. Richardson
Margaret Cobb Rogers
Robert G. Webb
James Ramsay
Gustaf Lindström
Various
Thomas S. Osborne
Thomas A. Welton
Johannes Lindworsky
Great Britain. Medical Research Committee
Alexander Hughes Bennett
International Institute of Bibliography
Jonathan Kochmer
Émile Durkheim
Pierre Curie
Ray Cummings
Walter F. Willcox
Felix Klein
Raymond Franzen
Stanley Paul Young
J. J. Thomson
Jacques Hadamard
Sir E. N. Bennett
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.