„St. Augustine was early recognized as the first of the Western Fathers, with St. Ambrose and St. Jerome by his side. St. Gregory the Great was added, and these four became "the Latin Doctors". (...) „In the East St. John Chrysostom has always been the most popular, as he is the most voluminous, of the Fathers. With the great St. Basil, the father of monachism, and St. Gregory Nazianzen, famous for the purity of his faith, he made up the triumvirate called "the three hierarchs", familiar up to the present day in Eastern art. St. Athanasius was added to these by the Westerns, so that four might answer to four. http://www.newadvent.org/cathen/06001a.htm
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Archivovaná kopie. www.psalterium.cz [online]. [cit. 2011-12-07]. Dostupné v archivu pořízeném dne 2011-09-15.
