- The offices of the Old Catholic prayer-book, done into English, and compared with the offices of the Roman and old German rituals by F E. 1842-1930 Warren, 2010-08-05
- New Wine, Old Wineskins: The Catholic Church and Change in Ireland Today by Martin Tierney, 2008-10-15
- Marriage and the Catholic Church: Disputed Questions (Theology) by Michael G. Lawler, 2002-08
- Polish National Catholic Church Independent Movements and Old Catholic Church by Bernard Wielewinski, 1989-10-15
- Catholics, Marriage and Divorce: Real People, Real Questions by Victoria Vondenberger, 2004-01
- Catholic Traditions: Treasures New And Old by Joanne Turpin, 2004-10-30
- Last Rights, A Catholic Perspective on End-of-Life Decisions by Dolores L. Christie, 2003-12-20
- Commons of the Divine Liturgies: Service Book of the Old Catholic Church (Old Catholic Studies) by Elijah, 2000-09
- Oremus: A Prayerbook for the Old Catholic Priest by Bishop Andre Queen, 2004-07-15
- Catholic Treasures New and Old: Traditions, Customs and Practices by Joanne Turpin, 1993-06
- Dwelling of God: The Tabernacle in the Old Testament, Intertestamental Jewish Literature, and the New Testament (Catholic Biblical Quarterly Monograph Series) by Craig R. Koester, 1989-08
- Old Catholics and Anglicans
- The Old Catholic Church: or, The history, doctrine, worship, and polity of the christians traced from the Apostolic Age to the establishment of the pope, as a temporal sovereign, A.D. 755 by William Dool Killen, 2010-08-08
- The Old Catholic Movement, Its Originis and History by C.B. Moss, 1964
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