Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Fearing Burr
L. H. Bailey
Erasmus Darwin
United States. Agricultural Research Service. Human Nutrition Research Division
Montague Free
Sutton & Sons Ltd.
United States. Department of Agriculture
Steve Solomon
Jean-Henri Fabre
F. F. Rockwell
Anonymous
Eben E. Rexford
Albert Bigelow Paine
Bolton Hall
Kate V. Saint Maur
E. D. Darlington and L. M. Moll
Cecilia Maria de Candia Pearse
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.