This is an OCR edition without illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from GeneralBooksClub.com. You can also preview excerpts from the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Original Published by: Harper & brothers in 1853 in 832 pages; Subjects: Philosophy; Education; Language Arts & Disciplines / Sign Language; Philosophy / General; Philosophy / Logic; Philosophy / History & Surveys / Modern;