Knowledge Encyclopedia
Smithsonian Institution
Macmillan Student's Dictionary
Martin H. Manser
A Treatise on Bessel Functions and Their Applications to Physics
Andrew Gray & Edward Gray & George Ballard Mathews & Ernst Meissel
The Wit and Wisdom of Mark Twain: A Book of Quotations
Mark Twain
History: Fiction or Science?
Anatoly T. Fomenko
The Message of the Prophets: A Survey of the Prophetic and Apocalyptic ...
J. Daniel Hays