Dictionaries
- Merriam-Webster
- Wiktionary (includes foreign words)
- dict.org (multiple dictionary search)
- dictionary at reference.com
- dict.cc (multiple foreign languages)
Style and standards
- style manual (Guardian and Observer)
Reference lists
- Dictionary of units (UNC) Also has country codes and other links.
- Area codes
Encyclopedias
- Wikipedia open "people's" encyclopedia
- Catholic Encyclopedia
- Internet Encyclopedia of Philosophy (University of Tennessee – Memphis)
- Plato encyclopedia (Stanford)
Research Sites
- Virtual Library
- World Data Centers (main page)
- Badger Link (access to 3rd party resources, often scripted)
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