Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
W. E. B. Du Bois
Vatsyayana
Alexis de Tocqueville
Jacob A. Riis
Émile Durkheim
Thorstein Veblen
Solomon Northup
Gustave Le Bon
Walter Lippmann
Ida B. Wells-Barnett
William H. Allen
William J. Robinson
T. R. Malthus
Henry Mayhew
Friedrich Engels
Emma Goldman
Sigmund Freud
Havelock Ellis
O. Henry
Jane Addams
R. V. Russell
R. von Krafft-Ebing
John Dewey
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.