Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
United States. National Park Service
Various
Nicholas Carter and Ralph Boston
Joaquín Martínez de Zúñiga
H. M. Wormington
Nicholas Carter and C. C. Waddell
S. A. D. Tissot
W. H. Peel
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.