Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
William James
Michael Faraday
Edward B. Tylor
Thomas Commerford Martin
David Livingstone
P. H. Ditchfield
George Francis Dow and John Henry Edmonds
Charles Darwin
John Venn
Lewis M. Terman
Lewis Henry Morgan
Robert Ezra Park, E. W. Burgess, and Roderick Duncan McKenzie
Brendan P. Kehoe
Francis Galton
Charles Seignobos and Charles Victor Langlois
Walter B. Cannon
Zelia Nuttall
United States. Agricultural Research Service. Consumer and Food Economics Research Division
United States. Bureau of the Census
William Stanley Jevons
Sinclair Lewis
Charles Babbage
Joseph Jastrow
Jean Armour Polly
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.