Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Eugen Neuhaus
William A. Clemens
Various
Lillian Elizabeth Roy
Diogo de Carvalho e Sampaio
Harold DeWitt Roberts and Rhoda N. Roberts
Irving Howbert
Charles A. Stearns
Reverdy C. Ransom
Sydney Anderson
Anna Bartlett Warner
F. C. Grable
Edwin C. Galbreath
E. Raymond Hall and William B. Jackson
Joseph Bushnell Ames
Silas Xavier Floyd
Sir William de Wiveleslie Abney
W. C. Tuttle
William C. Tetley
Jeremiah Marion Mickley
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.