Eusebius

noun2

1. •
   One who is comparable to Eusebius of Caesarea; an ecclesiastic historian.

   • Ye little Eusebiuses hide your diminished heads! — 1829
2. •
   A thorough ecclesiastic history.

   • 1957, James Stevenson (editor), A New Eusebius: Documents illustrative of the history of the Church to A.D. 337, SPCK, main title — 1957