Site for Protestants and Eastern Orthodox looking into Catholicism stresses honest dialogue and the goals of mutual understanding and unity.

Evangelical group promoting faith through books, discussion, magazines, and tapes.

Collective of individuals defend against anti-Catholicism arguments. Explore the directory of articles, scriptures, links and sacrament data.

Explains common Roman Catholic beliefs about sin, celibacy, divorce, birth control, and homosexuality. Includes links and references.