Mission - Resources for Catholic Educators
- Catholic Mission - Promoting Pope John Paul II's Call for a New Evangelization and to Renew Missionary Commitment
- Catholic Mission: The official Catholic Mission Aid site
- Christian Mission in the Third Millenium - Edward Idris Cardinal Cassidy
- Catholic Missionary Society
- Catholic Missionary Union
- Catholic Missionary Union - Catholic Encyclopedia
- Catholic Mission Archives
- Catholic Missions - Catholic Encyclopedia
- Evangelization: Resources for Catholic Educators
- Evangelization: Theology Library
- Holy Spirit Missionary Association - mission work in Peru and foster programs for children
- Inculturation: Resources for Catholic Educators
- Missionhurst Missionaries - An International Roman Catholic Missionary Order
- Mission Links - Links to Catholic Missions, Missionary Orders, Associations, and Pontifical Mission Societies
- Mission Possible
- Missionary Spirit - CIN
- Pontifical Mission Societies
- Society for the Propagation of the Faith
- St. Vincent Pallotti Center - Catholic Based Volunteer and Missionary Service Opportunities in U.S. and Overseas
- The Holy See - The Holy Father - John Paul II - Messages - World Day for Missions
- United States Catholic Mission Association - USCMA - Committed to Building Global Community