Math Yellow Pages, (1988). The Kids Stuff people, Incentive Publications, Inc.
How Many? A Dictionary of Units of Measurement, http://www.unc.edu/~rowlett/units/index.html site linked by permissionAnglo-Saxon Weights & Measures, http://users.col.com/JackProot/met/spvolas.html
Converting to Metric Made Easy; http://www.uwsp.edu/acad/internat/participant/e.htm
English-Metric Conversion Chart; http://.geocities.com/The Tropics/7696/conversi.html
Measurement Conversion site link used with permission from Darin A. Franklin; darinaf@brookings.net
Measures from Antiquity and the Bible; http://users.aol.com/jackproot/met/antbible.html
Metric Conversion Table; http://ww.coolnerds.com/jscript/alanconv.htm
Metric System of Measurement (1996). World Book Multi-Media Encyclopedia, (TM) (c) World Book Inc., 525 W. Monrue , Chicago, IL. Contributed by Daniel V. De. Simmone.
Muschla, Judith A. & Muschla, Gary Robert, (1995). The Math Teacher's Book of Lists. Paramus, NJ: Prentice Hall.