The Vatican
The United States Conference of Catholic Bishops
The Diocese of Kalamazoo, Michigan
Catholic Encyclopedia
Invaluable resource for understanding basic questions of the faith.

EWTN Online
The global Catholic television network's website is a goldmine - from daily news to prayer and devotion resources. Just visit and browse. We find especially useful: - Document Library - Audio Library - News - Catholic Q&A - Prayers and Novenas and Litanies - Daily Mass Readings

Pocket Catholic Dictionary
An excellent resource. Definitions written by Father John A. Hardon, S.J.

Remarkable Conversions to Catholicism
An excellent site. In addition to personal testimonies and life-sketches of famous converts like St. Augustine and Dorothy Day, includes links to various organizations and resources for converts.

The Catechism of the Catholic Church
An excellent, searchable on-line version, sponsored by the Knights of Columbus.

The Nazareth Master Catechism
An excellent reference that places side-by side five historic summaries of the Catholic faith, including the two "universal" or Church-wide catechisms: The Catechism of the Council of Trent (1566) and The Catechism of the Catholic Church (1992) and three local catechisms: The Catechetical Instructions of St. Thomas Aquinas (1273), The Baltimore Catechism (1891) and The Catechism of Pope St. Pius X (1905). Divided into the following categories. - The Creed - The Sacraments - The Ten Commandments - The Lord's Prayer - The Hail Mary