Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Adam Gowens Whyte
William Pittenger
Traveling Engineers' Association
James Bell Pettigrew
Eadweard Muybridge
Charles Hutton Gregory
Robert P. Scott
F. M. Holmes
Frank W. Doughty
Helen C. Knight
Anonymous
Henry Dawson
John Jervis
B. S. Randolph
E. Deharme
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.