- 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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