Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Maurice Maeterlinck
Various
Illinois State Geological Survey
Helen Cowen Gunsaulus
Anonymous
Edward Mayhew
Lee R. Dice and Harley Bakwel Sherman
Union Pacific Railroad Company
Elisée Reclus
United States. Department of the Interior
Kittridge A. Wing
Henry Abbott
William Wrighte
Lewis B. France
F. M. Hexamer
W. R. Sorley
Nathan Banks
Laura Preston
William Edward Duellman
Thomas Hunt Morgan
James Oliver Curwood
Bradford Torrey
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.