This essay from the Seton Hall University describes the transition from intolerance of Catholics to religious liberty in America.

Author makes an original argument that Hegel was interested more in Christian ethics than Christian religion at this site from EServer.org. Contends that traditional Catholic orthodoxy is authoritarian. Unfortunately, the author...

The actual letters written between Pliny and the Emperor about the issue of early Christianity. It was the first time the Romans recognized the religion as separate from Judaism.

A very nice account which delves into the background of the persecutions of the early Christians under the Romans. The article provides specific historical details as to why and how Christians were being attacked.