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Online Reference Shelf: Ready Reference

Reference works and other resources freely available on the web. Princeton researchers should also consult the research guides and list of databases on the library home page.

Area Codes, Zip Codes, Telephone Directories

Calendars & Holidays

Maps, Directions, Distances

English Dictionaries, Thesauri & Related Works

Foreign Language Dictionaries & Translation Sites

Encyclopedias, Almanacs & Related Works

Recent encyclopedias are, for the most part, not in electronic form.


Currency Conversion Tools