Routledge Encyclopedia of Philosophy
ASU REF B51.R68 1998
This ten volume set provides the reader with a thorough description of world philosophy, major philosophers and their interests, and traditional and new schools of philosophy.

Encyclopedia of Philosophy
ASU REF B41.E5 1996
This eight volume set in four contains nearly 1,500 lengthy articles which cover the entire discipline of philosophy. Ancient, medieval, and modern philosophy are included, along with theories of mathematicians, biologists, physicists eetc. that have impacted philosophy. [This is the older paper edition of the electronic MacMillan Encyclopedia of Philosophy noted above]

Encyclopedia of Aesthetics
ASU REF BH56.E53 1998
A 3-volume set written for both general readers and experts. It includes historical reference material and critical discussions of contemporary aesthetics.

Encyclopedia of Asian Philosophy
ASU REF B121.E53 2001
This work focuses on the most important thinkers and ideas in Asian philosophy.

Encyclopedia of Classical Philosophy
ASU REF B163.E53 1997
Covers the philosophy of Greek and Roman antiquity.

Encyclopedia of Ethics
ASU REF BJ63.E45 2001
The emphasis of this 3-volume set is on ethical theory. It includes lengthy articles on issues important to ethical theory, along with more narrowly focused entries related to philosophical ethics. It has a subject index and a citation index.