Catholic Encyclopedia: Old Catholics - Practically a list of grievances of (Roman) Catholics in Germany. Dismisses Mathew's London following as "not a matter of any importance." www.newadvent.org/cathen/11235b.htm
The Old Catholics - Part of the Religious Movements Homepage. Written by a college student in a sociology of religion course. Historical and doctrinal profile of Old Catholics, and a bibliography. religiousmovements.lib.virginia.edu/nrms/Oldcath.html
