Internet Encyclopedia of Philosophy
Internet Encyclopedia of Philosophy: Western Concepts of God
This site from the Internet Encyclopedia of Philosophy provides an overview of how people viewed God from the time of the Roman Empire until today.
Other
Web Bible Encyclopedia: Holiness
A basic definition of holiness as it applies to human beings and God.
Other
Christian Answers: Jesus Christ
This site begins with prophetic messages about Jesus and goes through his birth, life, death and resurrection. A lot of information here.