Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Sidney Webb and Beatrice Webb
William Graham Sumner
Selig Perlman
Bill Nye
Charles Reade
Floyd Dell
Academy of Political Science in the City of New York
James C. Beeks
James Boyd Kennedy
Frederick Samuel Dellenbaugh
A. A. Brooke and Margaret Whitley
Alice Henry
Rosa Luxemburg
W. M. Flinders Petrie
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.