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Roman Catholic Church
Aguilar, Mario (2007). The History and Politics of Latin American Theology, Volume 1. London: SCM Press. ISBN 978-0334040231.
Armstrong, Alastair (2002). The European Reformation. London: Heinemann. ISBN 0435327100.
Barry, Rev. Msgr. John F (2001). One Faith, One Lord: A Study of Basic Catholic Belief. Gerard F. Baumbach, Ed.D. ISBN 0-8215-2207-8.
Koschorke, Klaus; Ludwig, Frieder; Delgado, Mariano (2007). A History of Christianity in Asia, Africa, and Latin America, 1450–1990. Wm B Eerdmans Publishing Co. ISBN 978-0-8028-2889-7.
Stacy, Lee (2003). Mexico and the United States. Marshall Cavendish. ISBN 0761474021.
Stoll, David (1990). Is Latin America turning Protestant?: The Politics of Evangelical Growth. Berkeley: University of California Press. ISBN 978-0520064997.
Johnson, Kevin Orlin (1994). Why Do Catholics Do That?. Ballantine Books. ISBN 0345397266.
Keating, Karl (1995). What Catholics Really Believe-Setting the Record Straight: 52 Answers to Common Misconceptions About the Catholic Faith. San Francisco: Ignatius Press. ISBN 0898705533.
Crocker, III, H. W. (November 2001). Triumph: The Power and the Glory of the Catholic Church: A 2,000-Year History. Prima Lifestyles. ISBN 0761529241.
Brighenti, Kenneth (2003). Catholicism for Dummies. Indianapolis, IN: Wiley Pub. ISBN 0764553917.
Pope Benedict XVI (2005). Compendium of the Catechism of the Catholic Church. USCCB. ISBN 1574557203.
O'Gorman, PhD, Bob (2006). The Complete Idiot's Guide to Understanding Catholicism, 3rd Edition (Complete Idiot's Guide to). Indianapolis, IN: Alpha, 432. ISBN 1592575358.
Brighenti, Kenneth (2007). Catholicism Answer Book: The 300 Most Frequently Asked Questions. Sourcebooks, Inc, 320. ISBN 1402208065.
Dubruiel, Michael (2007). The How-To Book of the Mass: Everything You Need to Know but No One Ever Taught You. Huntington, Ind: Our Sunday Visitor, 272. ISBN 1592762697.
DeTurris Poust, Mary (2008). The Complete Idiot's Guide to the Catholic Catechism (Complete Idiot's Guide to). Indianapolis, IN: Alpha, 336. ISBN 1592577075.
O'Collins, Gerald (2008). Catholicism: A Very Short Introduction (Very Short Introductions). Oxford: Oxford University Press, 144. ISBN 019954591X.