Convert British, U.S., and other units of
measure to metric units.
- Illustrated Architecture Dictionary
Need to know what an ogee arch looks like?
How about a quatrefoil? Find pictures and
definitions of many building terms here.
- National Geographic Map Machine
Generate a map of nearly any place on
Earth, and view attributes such as population,
income, and climate.
- Style on the Go Archives
Find a list organized by subject of all issues of the
SIM copy editing newsletter.
- U.S. Census Bureau
Look up place names, demographic
information, maps, and American vital
- U.S. Department of Agriculture Plants Database
Find spellings of names, growing information,
and photos of many North American plants.
- U.S. Patent and Trademark Office
Click on the search function under
“Trademarks” to investigate current
- U.S. Postal Service
Find ZIP codes, correct spellings for city
and street names, and more.