- The Pontifical Missions Societies in the United States
- Missionary Childhood Association (MCA)
- www.propfaith.blogspot.com
- www.youtube.com/pmsusa
- Fides: Comprehensive Vatican information site
- You Tube Vatican Channel: www.youtube.com/user/vatican
- Archbishop Sheen's Cause for Canonization website
- USCCB: Official website of the United States Conference of Catholic Bishops
- Glenmary: Glenmary Home Missioners help religious educators teach children of all ages what it means to be missionary.
- USCMA: The United States Catholic Mission Association (USCMA) unites and supports people committed to the cross-cultural and global mission of Jesus in service to Church and world.
- CNEWA: The Catholic Near East Welfare Association is a papal agency for humanitarian and pastoral support of the Eastern Catholic Churches.
- CVN: The Catholic Volunteer Network is a national association of Christian volunteer and mission programs.
- Columbans: Brings the Columban message to parishes and schools.
- Maryknoll: Provides information about this U.S.-based mission organization.
- Crossroads Missions: Provides mission trip offerings and information on service opportunities.
- Friends Across Borders: Cross-cultural immersion trips.