Caius, Presbyter of Rome
...that the known writings of Caius, Presbyter of Rome exist only in fragments, many of which were preserved in the Ecclesiastical History of Eusebius of Caesarea?
...that the known writings of <b id="mwBzE"><a href="./Caius_(presbyter)" id="mwBzI" rel="mw:WikiLink" title="Caius (presbyter)">Caius, Presbyter of Rome</a></b> exist only in fragments, many of which were preserved in the <i id="mwBzM">Ecclesiastical History</i> of <a class="mw-redirect" href="./Eusebius_of_Caesarea" id="mwBzQ" rel="mw:WikiLink" title="Eusebius of Caesarea">Eusebius of Caesarea</a>?