 The Number Systems: Foundations of Algebra and Analysis by Solomon Feferman, August, 1989
 Dynamic Multilevel Methods and the Numerical Simulation of Turbulence by Thierry Dubois, Frangois Jauberteau, et all March, 1999
 An Introduction to Cryptography by Richard A. Mollin, Richard Anthony Mollin, 10 August, 2000
 How Did We Find Out About Numbers? by Isaac Asimov, April, 1973
 Landmarks in the Thousands: The Number System (Investigations in Number, Data and Space Series by Susan J. Russell, Catherine Anderson, et all May, 1997
 900 KnowHow: How to Succeed With Your Own 900 Number Business by Robert Mastin, April, 1994
 Remembering Osiris: Number, Gender, and the Word in Ancient Egyptian Representational Systems by Tom Hare, July, 1999
 Numerical Methods for Partial Differential Equations by William F. Ames, 15 January, 1992
 Names, Dates and Numbers: A System of Numerology by Roy P. Walton, September, 1981
 MoneyMaking 900 Numbers: How Entrepreneurs Use the Telephone to Sell Information by Carol Morse Ginsburg, Robert Mastin, February, 1995
