General Encyclopedias
- Stanford Encyclopedia of Philosophy Freely available online subject encyclopedia. Each entry is maintained and kept up to date by an expert or group of experts in the field. All entries and updates are refereed by the members of a distinguished Editorial Board before they are made public.
- Cambridge Dictionary of PhilosophyRef B41.C35 2015
- Encyclopedia of PhilosophyRef B51 .E53 2005
- Oxford Companion to PhilosophyRef B51.O94 2005
- Routledge Encyclopedia of PhilosophyB51.R68 1998
- Encyclopedia of the EnlightenmentRef B802 E53 2003
- Oxford Handbook of Philosophy and LiteraturePN45 .O84 2009
Subject Encyclopedias
- Historical Dictionary of Ancient Greek PhilosophyRef B111 .P74 2015
- Encyclopedia of Chinese PhilosophyRef B126 .E496 2003
- Encyclopedia of Classical PhilosophyRef B163 .E53 1997
- Companion to Philosophy in the Middle AgesRef B721 .C54 2003
- Historical Dictionary of LogicRef BC9 .G36 2006
- Companion to MetaphysicsRef BD111 .C626 1995
- Oxford Very Short Introductions This link opens in a new window Concise and original introductions to a diverse range of subjects written by experts in the fields.
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Individual Philosophers
- Merleau-Ponty DictionaryB2430.M3764 L35 2013
- Kant DictionaryB2751 .C38 1995
- Hegel DictionaryB2901 .I58 1992
- Historical Dictionary of Heidegger's PhilosophyB3279.H49 D455 2010
- Historical Dictionary of NietzscheanismB3311 .D54 2007