Episteme Links: Metaphysics
- A collection of on-line resources.
- http://www.epistemelinks.com/Main/Topics.aspx?TopiCode=Meta

Two Contemporary Approaches to Transcendental Arguments
- Karl-Otto Apel and Zeljko Loparic on their transcendental arguments in critical relationship with other philosophical trends of the age.
- http://limalme.sites.uol.com.br/filosofia/fileng.html

Metaphysical Review: Archives and Discussion
- Archive of this on-line metaphysics journal.
- http://www.vivboard.net/~meta/list

Wikipedia: Metaphysics
- A collaboratively edited article explaining several central metaphysical problems: the problem of objecthood, the problem of universals, and the mind-body problem.
- http://en.wikipedia.org/wiki/Metaphysics

Hong Kong Baptist University: Kant's Theocentric Metaphysics
- Essay by Prof. Stephen Palmquist answering the question, "Was Kant the destroyer of Metaphysics?"
- http://www.hkbu.edu.hk/~ppp/srp/arts/KTM.html

Book I of Hegel's Science of Logic - Being
- Hegel's Science of Logic, linked to commentary by Lenin. The Doctrine of Being (Quality - Quantity - Measure).
- http://www.marxists.org/reference/archive/hegel/works/hl/hlbeing.htm#HL1_826

Stanford Encyclopedia of Philosophy: Mereology
- The relations of part to whole and of part to part within a whole; by Achille Varzi.
- http://plato.stanford.edu/entries/mereology/

SOSIG: Metaphysics
- Metaphysics resource page from the Social Science Information Gateway.
- http://www.sosig.ac.uk/philosophy/metaphysics/

Big Bang Philosophy
- Exploring the consequences of a finite universe.
- http://www.bigbang.org/~jpburri/

20th World Congress of Philosophy: Metaphysics
- Proceedings of the 20th WCP, with an archive of papers contributed in Metaphysics.
- http://www.bu.edu/wcp/MainMeta.htm

The Metaphysics Research Lab
- Developers of the axiomatic theory of abstract objects and relations.
- http://mally.stanford.edu/index.html