OF SOCRATES SCHOLASTICUS

original: "ΣΩΚΡΑΤΟΥΣ ΣΧΟΛΑΣΤΙΚΟΥ". Socrates (c. 380 – after 439 AD) was a Byzantine Christian church historian and a contemporary of the events described in the later parts of his work.

ECCLESIASTICAL HISTORY

original: "ΕΚΚΛΗΣΙΑΣΤΙΚΗ ΙΣΤΟΡΙΑ". This work is one of the most important sources for the history of the early Church from the time of Constantine the Great to the mid-5th century.

AND

THE LIFE OF THE BLESSED SYLVESTER

original: "ΒΙΟΣ ΤΟΥ ΜΑΚΑΡΙΟΥ ΣΙΛΒΕΣΤΡΟΥ". This refers to Sylvester I, who was Pope from 314 to 335 AD. This edition includes a hagiography (a biography of a saint) alongside the historical text.

BISHOP OF GREAT ROME

original: "ΕΠΙΣΚΟΠΟΥ ΡΩΜΗΣ ΤΗΣ ΜΕΓΑΛΗΣ". The title "Great Rome" was often used in the Eastern Roman (Byzantine) world to distinguish the ancient city of Rome from "New Rome," which was Constantinople.

Socrates Scholasticus The author, a lawyer (Scholasticus) in Constantinople.
Church History The primary historical narrative.
Pope Sylvester I The Bishop of Rome during the Council of Nicaea.
Mesrop Ter-Movsesian The editor of this specific 1897 scholarly edition.
Philo of Tirak The 7th-century scholar responsible for the ancient Armenian translation of this text.