Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Hudson's Bay Company
Various
American Society of Civil Engineers
William Torrey Harris, A. S. Draper, and H. S. Tarbell
John Simon
Florence Nightingale
Henry Fairfield Osborn, William Berryman Scott, and Francis Speir
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486 downloads
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.