National Humanities Center
National Humanities Center: Teacher Serve: Catholics & the 20th Century
This National Humanities Center essay discusses the movement of American Roman Catholicism into mainstream culture from a historical perspective.
Other
The Vatican: Baptism and Christian Life
This site from The Vatican contains the Roman Catholic Church's view and attitude towards the sacrament of Baptism and does so through a Papal letter in preparation for the Jubilee.
Other
Seton Hall University: Toleration and Religious Liberty
This essay from the Seton Hall University describes the transition from intolerance of Catholics to religious liberty in America.