Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Various
W. J. Connor
Gertrude L. Stone and M. Grace Fickett
Louis Jacques Mandé Daguerre
E. N. Fales
Albert Perry Brigham
Robert P. Scott
Florence Caddy
Vaughan Cornish
Wayne Whipple and S. F. Aaron
W. H. Wood
John Kimberly Mumford
American Society of Civil Engineers
United States. War Department
Samuel Colt
Frank W. Doughty
Archer Butler Hulbert
George Wharton James
Arthur Douglas Lumb
George Washington Rains
Anonymous
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.