Skip to main content

Philosophy: Dictionaries & encyclopedias

A guide to finding information in philosophy. Includes links to key resources and sources of help.

Use encyclopedias:

  • for summaries
  • for lists of further reading
  • when starting a project

Some useful titles are listed below. Find more on the catalogue by searching for "philosophy encyclopedias".

You can also search across multiple dictionaries and encyclopedias using the boxes below.

Useful reference works: selected titles

Britannica Online

Stanford Encyclopedia of Philosophy

Search Summon for definitions and explanations

Find definitions and summaries from a wide range of online dictionaries and encyclopedias by searching the Summon discovery service using the box below.

Search Oxford Reference

Use Oxford Reference to search across multiple dictionaries and reference titles, including bilingual dictionaries of French, German, Spanish, Italian, and Latin. If you are off-campus, you may need to log-in to view your search results.

Oxford Reference Online Search Box Example

Search Oxford Reference Online

Credo Reference: Philosophy search

Search Philosophy