Nancy Kehoe is a psychologist and a Catholic nun in Belmont, Mass. She is the author of Wrestling With Our Inner Angels: Faith, Mental Illness and the Journey to Wholeness. 

The Archdiocese of Prague is the administrative branch of the Catholic Church in Prague.

Catholic Assyrian Church of the East offers resources on current international and national news and a number of other topics concerning Catholicism. 

Paul D. Simmons is a clinical professor in the Department of Family and Geriatric Medicine and an adjunct professor in the department of philosophy at the University of Louisville. He has written extensively on religion (specifically Baptist) and health care. He is the author of Freedom of Conscience: a Baptist and Humanist Dialogue (2000).

The Byzantine Catholic Church in America is a website on the Byzantine Church. It offers resources on prayers, beliefs, clergy members and current Christian news. Contact through the website.

Antiochian Catholic Church in America is an online resource for Orthodox Christians. The website provides the history and beliefs of the Church and multiple liturgies. 

Uto Meier is a professor of religious education at Katholische Universitat Eichstätt-Ingolstadt in Germany. His research focuses on Catholic religious education.

Catholic Online  has over 5 million pages of resources including the largest online historical and biblical database about the Catholic Church.

Philippe Chenaux is a professor of church history and theology at Pontificia Universita Lateranense in Rome. His research interests include the history of the papacy, the history of the Vatican and the history of modern Catholic thought.