Severus of Antioch, Cathedral Homilies (Homiliae cathedrales)
512–518 · Syriac (Greek original lost)
Groups: Miaphysites (non-Chalcedonian / Oriental Orthodox), Syriac Orthodox Church (Miaphysite branch)
Survive in Syriac translations, one revised by Jacob of Edessa. The Greek was banned and destroyed.
Where the manuscripts are now
British Library and Vatican Syriac manuscripts, London / Vatican
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Sources
No open translation is linked. The status note says how the text is known.