Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
International Correspondence Schools
United States. War Department
Robert P. Multhauf
W. H. Collins
H. Irving Hancock
Richard Roswell Lyman
L.-M.-G de Crassier
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.