[https://en.wikipedia.org/wiki/Liberal_Catholic_Church_International Liberal Catholic Church International - Wikipedia]
[http://www.azlcci.org/ The Liberal Catholic Church International, Home Page (azlcci.org)]
[http://www.eindtijdinbeeld.nl/EiB-Bibliotheek/Boeken/KingdomOfTheCultsWalterMartin.pdf Kingdom of the Cults (Revised), Walter Martin, 1965, 1977, 1985, 1997 (eindtijdinbeeld.nl)]