The following link has what is essentially an e-book of links to various topics related to the philosophy of Christianity. Thanks to Triablogue for this resource.
Philosophy of (The Christian) Religion
Categories and topics include:
1. Arguments for God's Existence
2. Problem of Evil
3. Free-will and Moral Responsibility
4. The Attributes of God
5. Miracles
6. Faith and Reason
7. Religious Language
8. Christian Theism and Abstracta
9. Christianity and Science
10. Christian Ethics
