Internet History Sourcebooks Project
Fordham University: Modern History Sourcebook: Catechism for Parish Priests
This is a primary source document of a catechism issued by the Council of Trent to Catholic priests to ensure their orthodoxy and prevent the spread of heresy.
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Catechism: The Pope
This site contains the American Translation of the Roman Catholic Catechism. It contains the exact phrase which explains the Official Church's beliefs in the Pope.
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Believe: Luther's Small Catechism
This site gives information about the "Small Catechism" Martin Luther wrote to explain the faith to children. It was to be used by parents at home to guide the children in their faith development.