Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Archibald Williams
Victor Appleton
Louis Bell
Simon Newcomb
Rupert Sargent Holland
Thomas De Quincey
Denison Olmsted
Sarah Knowles Bolton
Richard A. Proctor
James Baikie
Henry White Warren
W. H. Rhodes
Sir Norman Lockyer
Garrett Putman Serviss
Harold Jacoby
William F. Denning
Charles Francis Adams
Thomas Dick
Arthur E. Knights
A. Frederick Collins
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Henry Draper
George Calver
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.