- Beginning Catholic Apologetics
- Catholic Answers
- Catholic Apologetics Network
- Catholic Biblical Apologetics
- Catholics United for the Faith (CUF)
- Coming Home Network (Marcu Grodi)
- Cross Roads Initiative (Dr. Marcellino D'Ambrosio)
- James Likoudis' Page (Many topics on Eastern Orthodoxy and Catholicism)
- Jimmy Akin
- Patrick Madrid
- Dr. Pia de Solenni
- Fr. John McCloskey
- Steve Ray
- About Fr. John Hardon (EWTN)
- Fr. John Hardon Archives (at The Real Presence Website)
- Eternal Life Catechetical Materials
- Fr. Hardon Media
- St. John Hardon?
- Website for the Cause of Fr. John Anthony Hardon, SJ
- Fr. John Hardon Years at Grotto comes to a close as his library moves to Missouri
Other:
- Real View Books (Fr. Stanley Jaki)
