Ecclesiastical historian
Eusebius of Caesarea
Eusebius of Caesarea’s Ecclesiastical History in the original Greek.
Open EusebiusPrimary sources for the history of Christianity
Read Church History at the Sources
EcclesiasticalHistory.com brings together primary sources for the history of Christianity, beginning with the great ecclesiastical historians. Explore the original Greek texts passage by passage, search the corpus, consult word-level lexical aids, and follow new English translations as they are prepared.
6original-language works online
4,821indexable reading units
467,361words in current default editions
Flagship collection
The Ecclesiastical Historians
From Eusebius in the fourth century to Evagrius in the sixth, these historians preserve some of the fullest surviving narratives of the early Church, its councils, controversies, bishops, emperors, and communities.
Ecclesiastical historian
Rufinus of Aquileia
Rufinus will be added when a suitable Latin source has been prepared and verified.
Source preparationSurviving epitome & fragments
Philostorgius
The surviving material of Philostorgius is presented accurately as an epitome and fragments, principally transmitted through Photius.
Open PhilostorgiusEcclesiastical historian
Socrates Scholasticus
Socrates Scholasticus’s Ecclesiastical History in the original Greek.
Open SocratesEcclesiastical historian
Sozomen
Sozomen’s Ecclesiastical History in the original Greek.
Open SozomenEcclesiastical historian
Theodoret of Cyrus
Theodoret of Cyrus’s Ecclesiastical History in the original Greek.
Open TheodoretEcclesiastical historian
Evagrius Scholasticus
Evagrius Scholasticus’s Ecclesiastical History in the original Greek.
Open EvagriusCorpus search
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New English translation
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A growing primary-source library
Beyond the seven historians
The Ecclesiastical Histories form the heart of the collection, but the library will continue to grow. Planned additions include the Apostolic Fathers, councils and canons, martyrdom accounts, other patristic works, Latin sources such as Rufinus, historical English collections, and tools for comparing ancient accounts of the same people and events.
Ancient historiansApostolic FathersCouncils & canonsPatristic sourcesLatin corpusCompare ancient accounts