The Seven Ages Of The Church
The Rise and Fall of Catholicism in the 7 Ages of the Church which
puts the Crisis Within the SSPX in Context. More detail is given on the Fifth Age, which is the current one, which appears to be coming to an end.
Lecture given by Bishop Richard Williamson. I am not in agreement with all of Bishop Williamson's opinions. However, this lecture explains Christian history in a way the sheds light on the current state of Christianity.