Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Iamblichus
Pythagoras and Antoine Fabre d'Olivet
Elbert Hubbard
Arthur Fairbanks
Sir Thomas Little Heath
Edouard Schuré
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.