Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
George Biddell Airy
Sir John Lubbock
James Ferguson
Emmeline M. Plunket
John Wilkins
Denison Olmsted
C. V. L. Charlier
Richard A. Proctor
Anonymous
Friedrich Schiller
S. P. Langley
Robert S. Ball
Agnes M. Clerke
George Grant
J. Wood Brown
David P. Todd
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Arthur Berry
Cecil Goodrich Julius Dolmage
James Baikie
Edward S. Holden
Camille Flammarion and J. F. Blake
Henry White Warren
Aaron David Bernstein
Arthur E. Bostwick
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.