Internet Encyclopedia of Philosophy: Earl of Shaftesbury: Article which reviews Shaftesbury's moral philosophy in some detail.
Shaftesbury Bibliography: Bibliographic reference list of books and articles and links to resources on Anthony Ashley Cooper, third Earl of Shaftesbury (1671-1713).
Stanford Encyclopedia of Philosophy: Lord Shaftesbury: Article about the life and work of this thinker, by Michael Gill.