Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Mungo Park
United States. National Park Service
Philip Parker King
Jesse Walter Fewkes
Ernst Wilhelm Förstemann
Paul Schellhas
Gideon Algernon Mantell
United States. National Park Service, Wilma Dykeman, and James Stokely
K. Langloh Parker
Stanley William Lohman
Roswell Park
Geological Survey
John Henry Parker
John Salkeld Bland
John M. Corbett
Merrill J. Mattes
Fanny Parkes Parlby
United States. Department of the Interior
Don G. Wyckoff and D. E. Peterson
Angus M. Woodbury
Anonymous
Edward M. Riley
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.