The Catholic Chronicles
- By the late Christian singer Keith Green.
- http://treasuringchrist.com/theology/Church/cc/ccmain.htm

Roman Catholicism
- Articles analyzing the doctrines and practices of Catholic theology from a Christian perspective. Emphasis on the Bible, Mary, Purgatory, and justification.
- http://www.carm.org/catholic.htm

False Union With Rome
- A highly critical view from the Orthodox Christian Information Center.
- http://www.orthodoxinfo.com/ecumenism/ea_rome.aspx

Easy Steps to Excommunication
- Ways that Catholics can persuade the church to formally excommunicate them.
- http://www.atheistfoundation.org.au/excommunication.htm

Political Correctness: Another Name for Catholic Values
- Makes out a case that the Pope and other leading Catholics secretly support homosexual rights and abortion.
- http://www.students.org.au/catholic/

Antichrist Conspiracy
- Exposes the Romish church as a minion of Satan.
- http://www.antichristconspiracy.com/

Fascinating Reading of the Holy Bible for Roman Catholics
- Learn of the free gift of eternal life and forgiveness of all sins through trusting faith solely in Jesus Christ. Presents scriptures supporting non-Catholic doctrine.
- http://www.dokimos.org/catholic

Fifty Years in the Church of Rome
- By Charles Chiniquy. In this 1886 book he asserts that the Jesuits killed Abraham Lincoln.
- http://www.whatsaiththescripture.com/Voice/Fifty.Years.Church.Rome.html

A Christian Witness to Roman Catholicism
- Site of Robert M. Zins, author, conference speaker, debater and theologian who has been involved in the evangelization of Roman Catholics for many years.
- http://www.cwrc-rz.org/

The Rise and Fall of the Church of Rome
- Politics, control and corruption of Catholicism seen through historical examination and discussion of 21 ecumenical councils.
- http://www.abelard.org/councils/councils.htm

New-Light Ministries
- Civil criticism of Catholicism.
- http://www.new-light.org

Is the Virgin Mary Dead or Alive?
- By Danny Vierra; addresses the phenomenon of Mary as well as end-times prophecy. References to scriptures and historical works.
- http://www.benabraham.com/html/is_the_virgin_mary_dead_or_ali.html

The Berean Beacon
- Evangelistic ministry to Catholics, and Biblical truth for evangelicals flirting with ecumenism. Run by a former priest.
- http://www.bereanbeacon.org/

Just for Catholics
- An evangelical site for Catholics who are ready to repent of Roman Catholicism and want to know how to be saved.
- http://www.justforcatholics.org/index.htm

Chick Publications
- Publishes evangelistic material: includes several comic books and tracts critical of Catholicism.
- http://www.chick.com/reading/

Protestant Church History
- Directory of sites about the development of Protestantism, primarily regarding relations with the Catholic Church or anti-Catholic writers.
- http://www.historicist.com/protestant_history.htm

The Spirit of the Godfathers
- The Pope, the Vatican, and Roman Catholicism; apostate Christianity and worldly powers shake hands.
- http://www.globalnetexec.com/renew2000.htm

The See Change Campaign
- Organization campaigning to reverse the Vatican's current status as a non-member state permanent observer in the United Nations.
- http://www.seechange.org/

The Leaven of the Pharisees
- Explains the errors and corruption of the Roman Catholic Church when measured against the Word of God.
- http://www.acts1711.com/jesus2a.htm

Proclaiming the Gospel Ministries
- Leading Roman Catholics to saving faith in Christ through the power of the Holy Spirit.
- http://www.pro-gospel.org/

Good News for Catholics
- A non-profit charitable foundation dedicated to bringing the gospel of Jesus Christ to Catholics around the world.
- http://www.gnfc.org/

Roman Catholicism Is a Cult
- Warns Bible Christians that the Roman Catholic Church is not the church of Christ, and that the purpose of the Catechism of the Catholic Church is to create doctrine which the Holy Bible does not contain.
- http://aerolys.50megs.com/catholic.htm