Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
L. W. Kephart
United States. Council of National Defense. Highways Transport Committee
Anonymous
T. A. H. Miller
United States. Agricultural Research Service. Human Nutrition Research Division
David E. Lantz
Kling L. Anderson and Clenton E. Owensby
R. H. Taylor
B. E. Fernow
Aleš Hrdlička
Alexander Wetmore
George W. Pope
F. E. L. Beal
A. A. Pulle
George Washington Carver
Fritz Leiber
American National Red Cross
Stanley J. Marsden and Alfred R. Lee
Various
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Deborah Takiff Smith
Joseph Vallot
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.