ISNS - The International Society for Neoplatonic Studies is an organization for the study of Neoplatonism in all of its aspects from the ancient world through the Renaissance and into the modern world. - http://www.isns.us/
Neoplatonism - A historical, comparative, and metaphysical overview of this school of classical philosophy. - http://www.kheper.net/topics/Neoplatonism/
Catholic Encyclopedia: Neo-Platonism - Article by William Turner covering this movement's principal figures and later influence. - http://www.newadvent.org/cathen/10742b.htm
Bryn Mawr Classical Review 95.11.03 - Bolton, Robert: Person, Soul and Identity. A Neoplatonic Account of the Principle of Personality. Detailed review. - http://ccat.sas.upenn.edu/bmcr/1995/95.11.03.html