Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
H. P. Lovecraft
Alexander von Humboldt and Aimé Bonpland
Theodore Roosevelt
Austen Henry Layard
Pehr Kalm
John Franklin and Sir John Richardson
George Bryce
John Rae
Auguste Chevalier and Mission Chari-Lac Tchad
Richard A. Proctor
Jonathan Prince Cilley
Royal Geographical Society
Harry Johnston
Henry Fairfield Osborn, William Berryman Scott, and Francis Speir
James Bruce
Percy F. Westerman
A. Letourneux
Arthur de Carle Sowerby
Auguste Chevalier
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.