The following are some internet links related to the Chase Vault that I have found over the course of my research.
Barbados.org: Christ Church Parish Church
Information about the Church. A small bit about the Chase Vault (not altogether accurate). Links to maps of the island.
Alt.folklore.ghost-stories FAQ excerpt
A brief summary of the Chase Vault phenomenon, taken from the alt.folklore.ghost-stories FAQ.
Mystical World Wide Web
Another summary, from the "Mystical World Wide Web."
The Unexplained Site
Yet another summary, this one quite detailed.
Barbados.org
Information on Barbados, from Barbados.
World of the Strange
An interesting article by a researcher who is looking for a sponsor to test his theory on the Chase Vault phenomenon.