Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
A. Hamilton Thompson
H. W. Halleck
William Duane
Daniel Scott
John Martin Hammond
James Mercur
Eugène-Emmanuel Viollet-le-Duc
United States. National Park Service
Howard Roger Garis
Verner von Heidenstam, Hjalmar Söderberg, Per Hallström, and Sigfrid Siwertz
James N. Gregory
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.