Words enclosed in brackets [ ] are original footnotes inserted into the text.
This electronic text was prepared by John Mamoun with help from numerous other proofreaders, including those associated with Charles Franks' Distributed Proofreaders website. Thanks to R. Zimmermann, S. Morrison, B. Wyman, V. Walker, N. Harris, T. Mills, C. Franks, F. Clowes, T. Mills, E. Beach, D. McKee, D. Levy, D. Bindner, R. Rowe, K. Rieff, J. Cardillo, K. Peterson, H. Dank and several others for proof-reading.
Version 11 of this text prepared by Andrew Sly. Numerous changes and corrections made by comparison with the original book.