REFERENCE_SHELF: Handbooks, Codes, Technical Guides

1. How Many? A Dictionary of Units of Measurement
[Full Description]
http://www.unc.edu/~rowlett/units/index.html

2. Internet Beginners Guides and Tutorials
Collection of online resources assembled by Refdesk.com[Full Description]
http://www.refdesk.com/factbeg.html

3. ISO Country Codes
[Full Description]
http://www.bcpl.net/~j1m5path/isocodes.html

4. NAICS: North American Industry Classification System
Successor to the SIC codes long used to classify manufacturing and business in the United States. Developed in 1997 by the U.S., Canada, and Mexico to provide comparability in statistics about business activity across North America.[Full Description]
http://www.census.gov/epcd/www/naics.html
Go directly to a listing of codes
Correspondence between SIC and NAISC

5. NIST Reference on Constants, Units and Uncertainty
[Full Description]
http://physics.nist.gov/cuu/Constants/index.html

6. Sun and moon data
Data services links provided by the Astronomical Applications Department of the U.S. Naval Observatory[Full Description]
http://aa.usno.navy.mil/data/

7. Universal Serial Bus (USB): FAQ
Questions and answers about the USB connection between personal computers and peripherals. Site sponsored by USB Implementers Forum, Inc.[Full Description]
http://www.usb.org/about/faq/

8. Visual Elements (Periodic Table)
Flash and HTML versions of the Periodic Table, with history and properties included for each element. From the Royal Society of Chemistry, the site (http://www.chemsoc.org/viselements/pages/page3.html) also includes animations and "periodic landscapes."[Full Description]
URL too long to display

9. Web Elements - Periodic Table
Periodic table of the elements. Interactive and printable.[Full Description]
http://www.webelements.com/

10. Weights and measures
[Full Description]
URL too long to display

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