Socrates' Church History en CCEL.org: Libro I, Capítulo XVII: «The Emperor’s Mother Helena having come to Jerusalem, searches for and finds the Cross of Christ, and builds a Church».
Schaff's Seven Ecumenical Councils: First Nicaea: Canon VII: «Since custom and ancient tradition have prevailed that the Bishop of Aelia [i.e., Jerusalem] should be honoured, let him, saving its due dignity to the Metropolis, have the next place of honour."; "It is very hard to determine just what was the "precedence" granted to the Bishop of Aelia, nor is it clear which is the metropolis referred to in the last clause. Most writers, including Hefele, Balsamon, Aristenus and Beveridge consider it to be Cæsarea; while Zonaras thinks Jerusalem to be intended, a view recently adopted and defended by Fuchs; others again suppose it is Antioch that is referred to».
Catholic Encyclopedia: Jerusalem (Before A.D. 71): III. HISTORYArchivado el 15 de diciembre de 2018 en Wayback Machine. D. Under the Roman Domination; until A.D. 70: «Under the administration of Pontius Pilate, Jesus Christ was arrested and put to death. The Passion, Resurrection, and Ascension of the Divine Saviour have rendered Jerusalem -- which was already glorious -- the most celebrated city in all the world. The enthusiasm with which, after the Day of Pentecost, thousands of Jews declared themselves disciples of Jesus Christ provoked a violent persecution of Christians, in which the deacon Stephen was the first martyr (Acts 6: 8–15)».
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Catholic Encyclopedia: Jerusalem (Before A.D. 71): III. HISTORYArchivado el 15 de diciembre de 2018 en Wayback Machine. D. Under the Roman Domination; until A.D. 70: «Under the administration of Pontius Pilate, Jesus Christ was arrested and put to death. The Passion, Resurrection, and Ascension of the Divine Saviour have rendered Jerusalem -- which was already glorious -- the most celebrated city in all the world. The enthusiasm with which, after the Day of Pentecost, thousands of Jews declared themselves disciples of Jesus Christ provoked a violent persecution of Christians, in which the deacon Stephen was the first martyr (Acts 6: 8–15)».