Online Reference Tools: Encyclopedias

Broad-Scope Encyclopedias

Canadian Encyclopedia Online: Contains the complete text of the encyclopedia in English and French and links to related websites.
Columbia Encyclopedia, Sixth Edition: This sixth edition, 2000, of the well-known one-volume desk encyclopedia is searchable as well as browsable. Contains brief entries with keywords hyperlinked to related entries.

Encyclopedia of Psychology: Structured as an encyclopaedia, but consisting primarily of links to other psychology sites.
International Encyclopedia of the Social & Behavioral Sciences: The electronic edition of International Encyclopedia of the Social & Behavioral Sciences . In addition to the printed edition, this database of articles is enhanced by flexible search-and-retrieval facilities and by a rich variety of electronic reference links.
Oxford Reference Online: An authoritative research resource bringing together over 100 of Oxford's renowned dictionary and reference titles across more than 20 subject areas into a single cross-searchable database.
xreferplus: Collection of 100+ encyclopedias and dictionaries that covers a wide range of subjects.