Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
John Charles Frémont
H. P. Lovecraft
Meriwether Lewis and William Clark
C. G. Bruce
Stephen H. Long, Thomas Say, and Edwin James
Viscount William Fitzwilliam Milton and Walter B. Cheadle
Edwin L. Sabin
Jacob B. Bull
Various
Philip H. Smith
Herbert Edward Pretyman
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.