Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Procopius
Alexander Van Millingen, Ramsay Traquair, Walter S. George, and Arthur E. Henderson
W. R. Lethaby and Harold Swainson
B. Granville Baker
James Ward
C. R. Conder
Celâl Esad Arseven
Various
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.